pdo pdp pdr pdt pea ped pee peh pei pel pen peo pep per pet pha phd phe phi phl phn pho php phr pht pia pid pie pih pii pil pin pio pip pir pit pla pld ple plh pli pll pln plo plp plr plt pn- pna pnd pne pnh pni pnl pnn pno pnp pnr pnt poa pod poe poh poi pol pon poo pop por pot ppa ppd ppe pph ppi ppl ppn ppo ppp ppr ppt pra prd pre prh pri prl prn pro prp prr prt pt- pta ptd pte pth pti ptl ptn pto ptp ptr ptt ra- raa rad rae rah rai ral ran rao rap rar rat rda rdd rde rdh rdi rdl rdn rdo rdp rdr rdt re- rea red ree reh rei rel ren reo rep rer ret rh- rha rhd rhe rhh rhi rhl rhn rho rhp rhr rht ria rid rie rih rii ril rin rio rip rir rit rla rld rle rlh rli rll rln rlo rlp rlr rlt rna rnd rnh rni rnn rno rnp rnr rnt roa rod roe roh roi rol ron roo rop ror rot rpa rpd rpe rph rpi rpl rpn rpo rpp rpr rpt rra rrd rrh rri rrl rrn rrp rrr rrt rta rtd rte rti rtl rtn rto rtp rtr rtt taa tad tae tah tai tal tan tao tap tar tat tda tdd tde tdh tdi tdl tdn tdo tdp tdr tdt te- tea ted tee teh tei tel ten teo tep ter tet th- tha thd the thh thi thl thn tho thp thr tht tia tid tie tih tii til tin tio tip tir tit tla tld tle tlh tli tll tln tlo tlp tlr tlt tna tnd tne tnh tni tnl tnn tno tnp tnr tnt to- toa tod toe toh toi tol ton too top tor tot tpa tpd tpe tph tpi tpl tpn tpo tpp tpr tpt tra trd tre trh tri trl trn tro trp trr trt tta ttd tte tth tti ttl ttn tto ttp ttr ttt