g-p ggg ggn ggo ggp gnn gno gnp gog gon goo gop goy gpg gpn gpo gpp gy- gyn gyo gyp ngg ngn ngo ngp nng nnn nno nnp no- nog non noo nop noy npg npn npo npp nyg nyn nyo nyp nyy ogg ogn ogo ogp ogy on- ong onn ono onp ony oo- oog oon ooo oop op- opg opn opo opp opy oyo p-p pgg pgn pgo pgp pgy pn- png pnn pno pnp pny pog pon poo pop poy ppg ppn ppo ppp py- pyg pyn pyo ygo yng ynn ynp yny yog yon yoo yop yoy ypg ypo yyg yyy