The word "squirr" does not appear to be a valid English word. However, if we assume that it is a variation of the word "squirrel," we can explore its spelling using IPA phonetic transcription. The correct spelling of "squirrel" is /ˈskwɜr.əl/, with the stressed syllable being the first one. The initial "sq" sound is pronounced as a blend of "skw" and the "i" sound is pronounced as "ɜr." Any other variations of the spelling "squirrel" would be considered misspellings of the word.