The spelling of the word "CTUSQ IN" may seem odd, but it actually follows the rules of phonetics. In IPA phonetic transcription, the first sound is represented as /k/, followed by a voiceless consonant cluster /t/ and /s/. The next sound is a schwa, represented by /ə/. Finally, the last two sounds are a voiced consonant cluster /k/ and /ɪn/. So, in phonetic terms, "CTUSQ IN" is pronounced as /ktsəkɪn/. Despite its unusual spelling, this word can still be pronounced correctly by following these phonetic rules.