ptd pti ptl ptm pto ptp ptr pts ptt ra- raa rac rad rai ral ram rao rap rar ras rat rca rcc rcd rci rcl rcm rco rcp rcr rcs rct rda rdc rdd rdi rdl rdm rdo rdp rdr rds rdt ria ric rid rii ril rim rio rip rir ris rit rla rlc rld rli rll rlm rlo rlp rlr rls rlt rma rmc rmd rmi rml rmm rmo rmp rmr rms rmt roa roc rod roi rol rom roo rop ror ros rot rpa rpc rpd rpi rpl rpm rpo rpp rpr rps rpt rra rrc rrd rri rrl rrm rrp rrr rrs rrt rsa rsc rsd rsi rsl rsm rso rsp rsr rss rst rta rtc rtd rti rtl rtm rto rtp rtr rts rtt saa sac sad sai sal sam sao sap sar sas sat sca scc scd sci scl scm sco scp scr scs sct sda sdc sdd sdi sdl sdm sdo sdp sdr sds sdt sia sic sid sii sil sim sio sip sir sis sit sla slc sld sli sll slm slo slp slr sls slt sma smc smd smi sml smm smo smp smr sms smt soa soc sod soi sol som soo sop sor sos sot spa spc spd spi spl spm spo spp spr sps spt sr- sra src srd sri srl srm sro srp srr srs srt ss- ssa ssc ssd ssi ssl ssm sso ssp ssr sss sst sta stc std sti stl stm sto stp str sts stt taa tac tad tai tal tam tao tap tar tas tat tca tcc tcd tci tcl tcm tco tcp tcr tcs tct tda tdc tdd tdi tdl tdm tdo tdp tdr tds tdt tia tic tid tii til tim tio tip tir tis tit tla tlc tld tli tll tlm tlo tlp tlr tls tlt tma tmc tmd tmi tml tmm tmo tmp tmr tms tmt to- toa toc tod toi tol tom too top tor tos tot tpa tpc tpd tpi tpl tpm tpo tpp tpr tps tpt tra trc trd tri trl trm tro trp trr trs trt tsa tsc tsd tsi tsl tsm tso tsp tsr tss tst tta ttc ttd tti ttl ttm tto ttp ttr tts ttt