g-p ggg ggi ggo ggp ggr ggt gig gii gio gip gir git gog goi goo gop gor got gpg gpi gpo gpp gpr gpt grg gri gro grp grr grt gtg gti gto gtp gtr gtt igg igi igo igp igr igt iii iio iip iir iit io- iog ioi ioo iop ior iot ipg ipi ipo ipp ipr ipt ir- irg iri iro irp irr irt itg iti ito itp itt o-i ogg ogi ogo ogp ogt oii oio oip oir oit oo- oog ooi ooo oop oor oot op- opg opi opo opp opr opt or- org ori oro orp orr ort ot- otg oti oto otp otr ott p-p pgg pgi pgo pgp pgr pgt pig pii pio pip pir pit pog poi poo pop por pot ppg ppi ppo ppp ppr ppt prg pri pro prp prr prt pt- ptg pti pto ptp ptr ptt rgg rgi rgo rgp rgr rgt rig rii rio rip rir rit rog roi roo rop ror rot rpg rpi rpo rpp rpr rpt rrg rri rrp rrr rrt rtg rti rto rtp rtr rtt tgg tgi tgo tgp tgr tgt tig tii tio tip tir tit to- tog toi too top tor tot tpg tpi tpo tpp tpr tpt trg tri tro trp trr trt ttg tti tto ttp ttr ttt