The word "sinas" is spelled as /si.nas/ in IPA phonetic transcription. It is a Filipino word that means "orange juice." The letter "s" is pronounced as /s/ which is an unvoiced sound produced by a stream of air passing through a small gap between the front teeth. The letter "i" is pronounced as /i/ which is a close front unrounded vowel. The letter "n" is pronounced as /n/ which is a voiced sound produced by touching the tongue to the alveolar ridge behind the upper teeth.