pdp pdr pdt pea ped pee peg peh pei pel peo pep per pet pga pgd pge pgg pgh pgi pgl pgo pgp pgr pgt pha phd phe phg phi phl pho php phr pht pia pid pie pig pih pii pil pio pip pir pit pla pld ple plg plh pli pll plo plp plr plt poa pod poe pog poh poi pol poo pop por pot ppa ppd ppe ppg pph ppi ppl ppo ppp ppr ppt pra prd pre prg prh pri prl pro prp prr prt pt- pta ptd pte ptg pth pti ptl pto ptp ptr ptt ra- raa rad rae rag rah rai ral rao rap rar rat rda rdd rde rdg rdh rdi rdl rdo rdp rdr rdt re- rea red ree reg reh rei rel reo rep rer ret rga rgd rge rgg rgh rgi rgo rgp rgr rgt rh- rha rhd rhe rhg rhh rhi rhl rho rhp rhr rht ria rid rie rig rih rii ril rio rip rir rit rla rld rle rlg rlh rli rll rlo rlp rlr rlt roa rod roe rog roh roi rol roo rop ror rot rpa rpd rpe rpg rph rpi rpl rpo rpp rpr rpt rra rrd rrg rrh rri rrl rrp rrr rrt rta rtd rte rtg rti rtl rto rtp rtr rtt taa tad tae tag tah tai tal tao tap tar tat tda tdd tde tdg tdh tdi tdl tdo tdp tdr tdt te- tea ted tee teg teh tei tel teo tep ter tet tga tge tgg tgh tgi tgl tgo tgp tgr tgt th- tha thd the thg thh thi thl tho thp thr tht tia tid tie tig tih tii til tio tip tir tit tla tld tle tlg tlh tli tll tlo tlp tlr tlt to- toa tod toe tog toh toi tol too top tor tot tpa tpd tpe tpg tph tpi tpl tpo tpp tpr tpt tra trd tre trg trh tri trl tro trp trr trt tta ttd tte ttg tth tti ttl tto ttp ttr ttt