g-p ggg ggi ggo ggp ggz gig gii gio gip giz gog goi goo gop goz gpg gpi gpo gpp gpz gzo gzp igg igi igo igp iii iio iip io- iog ioi ioo iop ipg ipi ipo ipp izi izo izz o-i ogg ogi ogo ogp oii oio oip oiz oo- oog ooi ooo oop op- opg opi opo opp ozo ozz p-p pgg pgi pgo pgp pig pii pio pip piz pog poi poo pop poz ppg ppi ppo ppp ppz pzp z-g zgg zgi zig zio zip ziz zo- zog zoi zoo zpg zpi zpo zpp zzz