rcf rcg rci rcl rcn rco rcr rcs rct rfa rfc rff rfg rfi rfl rfn rfo rfr rfs rft rga rgc rgf rgg rgi rgn rgo rgr rgs rgt ria ric rif rig rii ril rin rio rir ris rit rla rlc rlf rlg rli rll rln rlo rlr rls rlt rna rnc rng rni rnn rno rnr rns rnt roa roc rof rog roi rol ron roo ror ros rot rra rrc rrf rrg rri rrl rrn rrr rrs rrt rsa rsc rsf rsg rsi rsl rsn rso rsr rss rst rta rtc rtf rtg rti rtl rtn rto rtr rts rtt saa sac saf sag sai sal san sao sar sas sat sca scc scf scg sci scl scn sco scr scs sct sfa sfc sff sfg sfi sfl sfn sfo sfr sfs sft sga sgc sgf sgg sgi sgl sgn sgo sgr sgs sgt sia sic sif sig sii sil sin sio sir sis sit sla slc slf slg sli sll sln slo slr sls slt sna snc snf sng sni snl snn sno snr sns snt soa soc sof sog soi sol son soo sor sos sot sr- sra src srf srg sri srl srn sro srr srs srt ss- ssa ssc ssf ssg ssi ssl ssn sso ssr sss sst sta stc stf stg sti stl stn sto str sts stt taa tac taf tag tai tal tan tao tar tas tat tca tcc tcf tcg tci tcl tcn tco tcr tcs tct tfa tfc tff tfg tfi tfl tfn tfo tfr tfs tft tga tgc tgf tgg tgi tgl tgn tgo tgr tgs tgt tia tic tif tig tii til tin tio tir tis tit tla tlc tlf tlg tli tll tln tlo tlr tls tlt tna tnc tnf tng tni tnl tnn tno tnr tns tnt to- toa toc tof tog toi tol ton too tor tos tot tra trc trf trg tri trl trn tro trr trs trt tsa tsc tsf tsg tsi tsl tsn tso tsr tss tst tta ttc ttf ttg tti ttl ttn tto ttr tts ttt