ptl ptm ptn pto ptp ptr pts ptt ra- raa rac rai ral ram ran rao rap rar ras rat rca rcc rci rcl rcm rcn rco rcp rcr rcs rct ria ric rii ril rim rin rio rip rir ris rit rla rlc rli rll rlm rln rlo rlp rlr rls rlt rma rmc rmi rml rmm rmn rmo rmp rmr rms rmt rna rnc rni rnm rnn rno rnp rnr rns rnt roa roc roi rol rom ron roo rop ror ros rot rpa rpc rpi rpl rpm rpn rpo rpp rpr rps rpt rra rrc rri rrl rrm rrn rrp rrr rrs rrt rsa rsc rsi rsl rsm rsn rso rsp rsr rss rst rta rtc rti rtl rtm rtn rto rtp rtr rts rtt saa sac sai sal sam san sao sap sar sas sat sca scc sci scl scm scn sco scp scr scs sct sia sic sii sil sim sin sio sip sir sis sit sla slc sli sll slm sln slo slp slr sls slt sma smc smi sml smm smn smo smp smr sms smt sna snc sni snl snm snn sno snp snr sns snt soa soc soi sol som son soo sop sor sos sot spa spc spi spl spm spn spo spp spr sps spt sr- sra src sri srl srm srn sro srp srr srs srt ss- ssa ssc ssi ssl ssm ssn sso ssp ssr sss sst sta stc sti stl stm stn sto stp str sts stt taa tac tai tal tam tan tao tap tar tas tat tca tcc tci tcl tcm tcn tco tcp tcr tcs tct tia tic tii til tim tin tio tip tir tis tit tla tlc tli tll tlm tln tlo tlp tlr tls tlt tma tmc tmi tml tmm tmn tmo tmp tmr tms tmt tna tnc tni tnl tnm tnn tno tnp tnr tns tnt to- toa toc toi tol tom ton too top tor tos tot tpa tpc tpi tpl tpm tpn tpo tpp tpr tps tpt tra trc tri trl trm trn tro trp trr trs trt tsa tsc tsi tsl tsm tsn tso tsp tsr tss tst tta ttc tti ttl ttm ttn tto ttp ttr tts ttt