The word "CMTAREPS" can be quite perplexing when it comes to its spelling. However, by breaking it down using IPA phonetic transcription, its spelling can be better understood. The first two letters "CM" are pronounced as /sɛm/ or "sem", while "TAR" is /tɑr/. "EPS" in this word is pronounced as /ɛps/, which sounds like "eps". Therefore, the spelling of "CMTAREPS" goes as s-e-m-t-a-r-e-p-s, which can be remembered using the mnemonic "sem tar eps".