Three letters, two syllables

Ada is one of the classic baby names for girls that is suddenly super stylish again. A favorite at the end of the nineteenth century, Ada is an alternative to the over-popular Ava. Ada is also part of the trend toward simple, old-fashioned names beginning with a vowel, like Ivy and Ella.

Sounds like and is often confused with Asia, though it has an air of retro cool via the seminal Steely Dan album. Or, pronounced eye-ah, it can be an alternate spelling of the international favorite Aya.

One of the sweet simple unisex names balanced enough to stand on its own.

A multicultural unisex choice that peaked for girls at the same time as Amy. Ami is also the French word for "friend."

Amy is the English variation of the Old French name Amée—Aimée in modern French. Amée was a translation of the Latin name Amata, which derived from amatus, meaning "beloved." Other spelling variations include Amie and Ami.

Confident and compact, Ana is a widely used variation of the Biblical Hannah. Favored in Spain, Slovenia, Bosnia, Portugal, and Croatia, this shorter spelling has the same substance and versatility of its longer counterparts.

Folk singer DiFranco popularized this simple, appealing form. In Igbo mythology, Ani is one of the names of the goddess of the earth, fertility, creativity, and morality.

Ari, the short form of Ariel (or any other Ari- beginning name, such as Aristotle) stands up better as a boys’ name than its progenitor does. It is also short for Aristotle, as in Onassis, and is a prominent character on TV's Entourage -- the uberagent Ari Gold.

A short but strong biblical name with multicultural appeal, Asa is enjoying new visibility thanks to hot young actor Asa Butterfield of Hugo fame.

Ava is one of the prime examples of a modern classic name, rising thought the course of a generation into the Top 10, where it has lingered for nearly 20 years.

Avi, the short form of many Hebrew names, is often used on its own in Israel. It entered the US Top 1000 for the first time in 2015.

Phonetic spelling of the British Ian that has earned a share of its own popularity; chosen by Bo Bice for his son.

An medieval English diminutive of Edith, which could make an unusual addition to simple vintage revivals like Eva, Ada and Ida. In Turkish, it means "well mannered".

With its sharp, succinct sounds and cool, laidback style, Eli is a popular choice among parents today. Compact and punchy, it is a Biblical name with plenty of charm.

Common form of Emma found in the Baltic and Slavic states.

Baby names that started off as diminutives -- Ena, Ita, Etta -- seem too insubstantial for a modern female.

Eon is a concise masculine name with ancient Greek origins, derived from the word 'aiōn' meaning 'life force,' 'vital energy,' or 'eternity.' In scientific contexts, an eon represents a billion years, giving the name connotations of timelessness and endurance. Throughout history, the name has maintained a steady but uncommon presence across cultures. In Korean contexts, Eon has different origins and meanings. The name appeals to parents seeking a short, powerful name with philosophical depth. Its brevity makes it distinctive in Western naming traditions, while its cross-cultural adaptability and profound meaning related to time and existence give it intellectual appeal.

Eva is a simple, classic Hebrew name for girls that recently slipped out of the US Top 100 for the first time in more than a decade. Pronounced either like her more popular sister Ava or less popular sister Eve, Eva is one of the elite group of girl names that mean life.

Gia is a cute if slight name that calls to mind stylish sisters Mia, Lea, Pia, Tia, and Nia. One of the most familiar Italian baby names in the US, Gia is a short form of Gianna, which in turn is a diminutive of Giovanna, the feminine form of Giovanni, the Italian equivalent of John—all of them meaning "God is gracious."

Ian is Scottish form of John, derived from the Hebrew name Yohanan. It is an Anglicization of the Scottish Gaelic Iain, which is also a viable spelling. Ian was introduced to Americans by Ian Fleming, creator of James Bond.