pdd pde pdh pdi pdl pdn pdp pdr pdt pea peb ped pee peh pei pel pen pep per pet pha phb phd phe phi phl phn php phr pht pia pib pid pie pih pii pil pin pip pir pit pla plb pld ple plh pli pll pln plp plr plt pn- pna pnb pnd pne pnh pni pnl pnn pnp pnr pnt ppa ppb ppd ppe pph ppi ppl ppn ppp ppr ppt pra prb prd pre prh pri prl prn prp prr prt pt- pta ptb ptd pte pth pti ptl ptn ptp ptr ptt ra- raa rab rad rae rah rai ral ran rap rar rat rba rbb rbd rbe rbh rbi rbl rbn rbp rbr rbt rda rdb rdd rde rdh rdi rdl rdn rdp rdr rdt re- rea reb red ree reh rei rel ren rep rer ret rh- rha rhb rhd rhe rhh rhi rhl rhn rhp rhr rht ria rib rid rie rih rii ril rin rip rir rit rla rld rle rlh rli rll rln rlp rlr rlt rna rnb rnd rnh rni rnn rnp rnr rnt rpa rpb rpd rpe rph rpi rpl rpn rpp rpr rpt rra rrb rrd rrh rri rrl rrn rrp rrr rrt rta rtb rtd rte rti rtl rtn rtp rtr rtt taa tab tad tae tah tai tal tan tap tar tat tba tbb tbd tbe tbh tbi tbl tbn tbp tbr tbt tda tdb tdd tde tdh tdi tdl tdn tdp tdr tdt te- tea teb ted tee teh tei tel ten tep ter tet th- tha thb thd the thh thi thl thn thp thr tht tia tib tid tie tih tii til tin tip tir tit tla tld tle tlh tli tll tln tlp tlr tlt tna tnb tnd tne tnh tni tnl tnn tnp tnr tnt tpa tpb tpd tpe tph tpi tpl tpn tpp tpr tpt tra trb trd tre trh tri trl trn trp trr trt tta ttb ttd tte tth tti ttl ttn ttp ttr ttt