The spelling of the word "paino" is incorrect. The correct spelling is "piano." The IPA phonetic transcription for "piano" is /piˈænoʊ/. The initial sound /p/ is followed by the sound /i/ which is pronounced as "ee". Then comes the sound /æ/ which is pronounced like "a" in "cat". Finally, the sound /noʊ/ is pronounced "no" with the diphthong /oʊ/ which is pronounced like "oh". So, the correct spelling and pronunciation of the word is "piano".