Guosa wu asusu ikome biawa n’isisi sa Alex G Igbineweka na ardun 1965. O kokpe ya fun ikonojo baba asusu fun Naijeriya nasi Iguma Afrika. Aa Bb Dd Ee Ee Ff Gg Ii Hh Jj Kk Ll Mm Nn Oo Oo Pp Rr Ss Tt Uu Vv Ww Yy Zz daya eji eta inan isen isii asaa asato esse goma godaya goeji goeta goinang goisen goisii goasaa goasato goesse ji na nasi sa si sina ati sa Igbinéwéká, Alexander (1999). Teach Yourself Guosa Language Book 2: Nigeria's future common indigenous lingua franca, Richmond, CA: Guosa Publicat
It is an alphabet, as far as I understand.