ras rat rca rcc rcd rcf rcg rci rcm rco rcr rcs rct rda rdc rdd rdf rdg rdi rdm rdo rdr rds rdt rfa rfc rfd rff rfg rfi rfm rfo rfr rfs rft rga rgc rgd rgf rgg rgi rgo rgr rgs rgt ria ric rid rif rig rii rim rio rir ris rit rma rmc rmd rmf rmg rmi rmm rmo rmr rms rmt roa roc rod rof rog roi rom roo ror ros rot rra rrc rrd rrf rrg rri rrm rrr rrs rrt rsa rsc rsd rsf rsg rsi rsm rso rsr rss rst rta rtc rtd rtf rtg rti rtm rto rtr rts rtt saa sac sad saf sag sai sam sao sar sas sat sca scc scd scf scg sci scm sco scr scs sct sda sdc sdd sdf sdg sdi sdm sdo sdr sds sdt sfa sfc sfd sff sfg sfi sfm sfo sfr sfs sft sga sgc sgd sgf sgg sgi sgm sgo sgr sgs sgt sia sic sid sif sig sii sim sio sir sis sit sma smc smd smf smg smi smm smo smr sms smt soa soc sod sof sog soi som soo sor sos sot sr- sra src srd srf srg sri srm sro srr srs srt ss- ssa ssc ssd ssf ssg ssi ssm sso ssr sss sst sta stc std stf stg sti stm sto str sts stt taa tac tad taf tag tai tam tao tar tas tat tca tcc tcd tcf tcg tci tcm tco tcr tcs tct tda tdc tdd tdf tdg tdi tdm tdo tdr tds tdt tfa tfc tfd tff tfg tfi tfm tfo tfr tfs tft tga tgc tgf tgg tgi tgm tgo tgr tgs tgt tia tic tid tif tig tii tim tio tir tis tit tma tmc tmd tmf tmg tmi tmm tmo tmr tms tmt to- toa toc tod tof tog toi tom too tor tos tot tra trc trd trf trg tri trm tro trr trs trt tsa tsc tsd tsf tsg tsi tsm tso tsr tss tst tta ttc ttd ttf ttg tti ttm tto ttr tts ttt