g-p ggg ggi ggo ggp ggt gig gii gio gip git gog goi goo gop got gpg gpi gpo gpp gpt gtg gti gto gtp gtt igg igi igo igp igt iii iio iip iit io- iog ioi ioo iop iot ipg ipi ipo ipp ipt itg iti ito itp itt o-i ogg ogi ogo ogp ogt oii oio oip oit oo- oog ooi ooo oop oot op- opg opi opo opp opt ot- otg oti oto otp ott p-p pgg pgi pgo pgp pgt pig pii pio pip pit pog poi poo pop pot ppg ppi ppo ppp ppt pt- ptg pti pto ptp ptt tgg tgi tgo tgp tgt tig tii tio tip tit to- tog toi too top tot tpg tpi tpo tpp tpt ttg tti tto ttp ttt