The spelling of the phrase "gets hair" can be explained with the International Phonetic Alphabet (IPA) transcription. In IPA, "gets" is /ɡɛts/ and "hair" is /hɛr/. The "g" in "gets" is pronounced as a voiced velar stop, and the "h" in "hair" is pronounced as an unvoiced glottal fricative. The "e" in both words is pronounced as an open-mid vowel. Overall, the spelling of this phrase follows English phonetic rules, and can be easily mastered with practice.