Alphabet
An alphabet was a set of letters used for the writing of languages. Words written in order of their first letters were said to be in alphabetical order. ()

The Greeks on Earth used their own Greek alphabet. ()

In 2152, a crewmember asked Captain Archer for the name of the first Vulcan ambassador to Earth for her crossword puzzle, consisting of six letters, the last one being an "R". ()

The musical notes on the Preservers' obelisk on Amerind, when interpreted into tones, corresponded roughly to an alphabet. ()

The alphabet of the English language was displayed on the wall of the nursery on the . ()

After a Federation starship with a particularly famous name and registry number was decommissioned or destroyed, subsequent ships could have letters of the alphabet attached to the pre-existing regi[stry. (). Among the most notable examples was the USS Enterprise. So notable was the exploits of the ship and crew that after the destruction of the  Starfleet gave subsequent starships named Enterprise the NCC-1701 registry with letters appended, starting with . ()

After hearing Jean-Luc Picard call out to Q in 2364, Worf asked Tasha Yar what a Q was. She replied that it was a letter of the alphabet, at least to her knowledge. ()

In 2367, in a game Geordi La Forge played with the computer of the Onizuka, it asked La Forge to list the resonances of the subquantum states associated with transitional relativity in twenty seconds, a task which he initially considered easy until the computer clarified that it was to be in alphabetical order. He made it up to four before time ran out, though he knew the final answer. ()

An artifact, stolen by the crew of Baran's mercenary ship from Calder II in 2370, had an alphabet and symbology much closer to early Vulcan language than the Romulan language according to Jean-Luc Picard. ()

After Captain Picard had initiated the auto-destruct of the  in 2373, Beverly Crusher asked him if Starfleet would build a new Enterprise. Picard replied optimistically as there were "plenty of letters left in the alphabet". ()

External link 
 
 
Linguistics