ptl ptm pto ptp ptr pts ptt ra- raa rac rae rai ral ram rao rap rar ras rat rca rcc rce rci rcl rcm rco rcp rcr rcs rct re- rea rec ree rei rel rem reo rep rer res ret ria ric rie rii ril rim rio rip rir ris rit rla rlc rle rli rll rlm rlo rlp rlr rls rlt rma rmc rme rmi rml rmm rmo rmp rmr rms rmt roa roc roe roi rol rom roo rop ror ros rot rpa rpc rpe rpi rpl rpm rpo rpp rpr rps rpt rra rrc rri rrl rrm rrp rrr rrs rrt rsa rsc rse rsi rsl rsm rso rsp rsr rss rst rta rtc rte rti rtl rtm rto rtp rtr rts rtt saa sac sae sai sal sam sao sap sar sas sat sca scc sce sci scl scm sco scp scr scs sct se- sea sec see sei sel sem seo sep ser ses set sia sic sie sii sil sim sio sip sir sis sit sla slc sle sli sll slm slo slp slr sls slt sma smc sme smi sml smm smo smp smr sms smt soa soc soe soi sol som soo sop sor sos sot spa spc spe spi spl spm spo spp spr sps spt sr- sra src sre sri srl srm sro srp srr srs srt ss- ssa ssc sse ssi ssl ssm sso ssp ssr sss sst sta stc ste sti stl stm sto stp str sts stt taa tac tae tai tal tam tao tap tar tas tat tca tcc tce tci tcl tcm tco tcp tcr tcs tct te- tea tec tee tei tel tem teo tep ter tes tet tia tic tie tii til tim tio tip tir tis tit tla tlc tle tli tll tlm tlo tlp tlr tls tlt tma tmc tme tmi tml tmm tmo tmp tmr tms tmt to- toa toc toe toi tol tom too top tor tos tot tpa tpc tpe tpi tpl tpm tpo tpp tpr tps tpt tra trc tre tri trl trm tro trp trr trs trt tsa tsc tse tsi tsl tsm tso tsp tsr tss tst tta ttc tte tti ttl ttm tto ttp ttr tts ttt