ptt ra- raa rac rae raf ral ram rao rap rar ras rat rca rcc rce rcf rcl rcm rco rcp rcr rcs rct re- rea rec ree ref rel rem reo rep rer res ret rfa rfc rfe rff rfl rfm rfo rfp rfr rfs rft rla rlc rle rlf rll rlm rlo rlp rlr rls rlt rma rmc rme rmf rml rmm rmo rmp rmr rms rmt roa roc roe rof rol rom roo rop ror ros rot rpa rpc rpe rpf rpl rpm rpo rpp rpr rps rpt rra rrc rrf rrl rrm rrp rrr rrs rrt rsa rsc rse rsf rsl rsm rso rsp rsr rss rst rta rtc rte rtf rtl rtm rto rtp rtr rts rtt saa sac sae saf sal sam sao sap sar sas sat sca scc sce scf scl scm sco scp scr scs sct se- sea sec see sef sel sem seo sep ser ses set sfa sfc sfe sff sfl sfm sfo sfp sfr sfs sft sla slc sle slf sll slm slo slp slr sls slt sma smc sme smf sml smm smo smp smr sms smt soa soc soe sof sol som soo sop sor sos sot spa spc spe spf spl spm spo spp spr sps spt sr- sra src sre srf srl srm sro srp srr srs srt ss- ssa ssc sse ssf ssl ssm sso ssp ssr sss sst sta stc ste stf stl stm sto stp str sts stt taa tac tae taf tal tam tao tap tar tas tat tca tcc tce tcf tcl tcm tco tcp tcr tcs tct te- tea tec tee tef tel tem teo tep ter tes tet tfa tfc tfe tff tfl tfm tfo tfp tfr tfs tft tla tlc tle tlf tll tlm tlo tlp tlr tls tlt tma tmc tme tmf tml tmm tmo tmp tmr tms tmt to- toa toc toe tof tol tom too top tor tos tot tpa tpc tpe tpf tpl tpm tpo tpp tpr tps tpt tra trc tre trf trl trm tro trp trr trs trt tsa tsc tse tsf tsl tsm tso tsp tsr tss tst tta ttc tte ttf ttl ttm tto ttp ttr tts ttt