Ao alphabets: This is how we were taught from Class A in 1974. There are 27 letters in Ao-alphabets. In addition to the 26 letters of the English Ao-alphabet has an extra letter, "Ü" at the end. "A" and "G" is not pronounced as in the English alphabet. But back then, there was no instrumental back-ground music. The only back-ground music was our classmates' natural voices in varied pitches (that was enough for fun ) . At today's PUTU, children learn the alphabets together with music like this in the video below. Video : Ao-alphabets PUTU : ( tapu atu , a layer or stratum of people rising up, coming on to the stage of action) a generation, a period of time, as Yakob putu the generation of Jacob's time. MOPUNG SANGER : mopung is probably Mongsen for majung bad KOSA SANGER : kosa probably means swaggering, conceited RIYONG SANGER : riyong probably means given to war MEDEM SANGER : medem is for abang medem united in...