Answer: trigram

AnswerCrossword Clue
TRIGRAMKLM, say
TRIGRAMABC, e.g.
TRIGRAMABC, for one
TRIGRAMABC or XYZ
TRIGRAMAny three-letter sequence
TRIGRAMMNO on a telephone dial, e.g.
TRIGRAMThree-letter combo
TRIGRAMThree-letter sequence
TRIGRAMI Ching symbol
TRIGRAMWord chunk
trigramsequence of three adjacent letters or symbols
trigrama cluster of three successive letters