ra- raa rac rae rag rai ram rao rap rar ras rat rca rcc rce rcg rci rcm rco rcp rcr rcs rct re- rea rec ree reg rei rem reo rep rer res ret rga rgc rge rgg rgi rgo rgp rgr rgs rgt ria ric rie rig rii rim rio rip rir ris rit rma rmc rme rmg rmi rmm rmo rmp rmr rms rmt roa roc roe rog roi rom roo rop ror ros rot rpa rpc rpe rpg rpi rpm rpo rpp rpr rps rpt rra rrc rrg rri rrm rrp rrr rrs rrt rsa rsc rse rsg rsi rsm rso rsp rsr rss rst rta rtc rte rtg rti rtm rto rtp rtr rts rtt saa sac sae sag sai sam sao sap sar sas sat sca scc sce scg sci scm sco scp scr scs sct se- sea sec see seg sei sem seo sep ser ses set sga sgc sge sgg sgi sgm sgo sgp sgr sgs sgt sia sic sie sig sii sim sio sip sir sis sit sma smc sme smg smi smm smo smp smr sms smt soa soc soe sog soi som soo sop sor sos sot spa spc spe spg spi spm spo spp spr sps spt sr- sra src sre srg sri srm sro srp srr srs srt ss- ssa ssc sse ssg ssi ssm sso ssp ssr sss sst sta stc ste stg sti stm sto stp str sts stt taa tac tae tag tai tam tao tap tar tas tat tca tcc tce tcg tci tcm tco tcp tcr tcs tct te- tea tec tee teg tei tem teo tep ter tes tet tga tgc tge tgg tgi tgm tgo tgp tgr tgs tgt tia tic tie tig tii tim tio tip tir tis tit tma tmc tme tmg tmi tmm tmo tmp tmr tms tmt to- toa toc toe tog toi tom too top tor tos tot tpa tpc tpe tpg tpi tpm tpo tpp tpr tps tpt tra trc tre trg tri trm tro trp trr trs trt tsa tsc tse tsg tsi tsm tso tsp tsr tss tst tta ttc tte ttg tti ttm tto ttp ttr tts ttt