rcm rcn rco rcp rcr rcs rct re- rec ree ref rei rem ren reo rep rer res ret rfc rfe rff rfi rfm rfn rfo rfp rfr rfs rft ric rie rif rii rim rin rio rip rir ris rit rmc rme rmf rmi rmm rmn rmo rmp rmr rms rmt rnc rni rnm rnn rno rnp rnr rns rnt roc roe rof roi rom ron roo rop ror ros rot rpc rpe rpf rpi rpm rpn rpo rpp rpr rps rpt rrc rrf rri rrm rrn rrp rrr rrs rrt rsc rse rsf rsi rsm rsn rso rsp rsr rss rst rtc rte rtf rti rtm rtn rto rtp rtr rts rtt scc sce scf sci scm scn sco scp scr scs sct se- sec see sef sei sem sen seo sep ser ses set sfc sfe sff sfi sfm sfn sfo sfp sfr sfs sft sic sie sif sii sim sin sio sip sir sis sit smc sme smf smi smm smn smo smp smr sms smt snc sne snf sni snm snn sno snp snr sns snt soc soe sof soi som son soo sop sor sos sot spc spe spf spi spm spn spo spp spr sps spt sr- src sre srf sri srm srn sro srp srr srs srt ss- ssc sse ssf ssi ssm ssn sso ssp ssr sss sst stc ste stf sti stm stn sto stp str sts stt tcc tce tcf tci tcm tcn tco tcp tcr tcs tct te- tec tee tef tei tem ten teo tep ter tes tet tfc tfe tff tfi tfm tfn tfo tfp tfr tfs tft tic tie tif tii tim tin tio tip tir tis tit tmc tme tmf tmi tmm tmn tmo tmp tmr tms tmt tnc tne tnf tni tnm tnn tno tnp tnr tns tnt to- toc toe tof toi tom ton too top tor tos tot tpc tpe tpf tpi tpm tpn tpo tpp tpr tps tpt trc tre trf tri trm trn tro trp trr trs trt tsc tse tsf tsi tsm tsn tso tsp tsr tss tst ttc tte ttf tti ttm ttn tto ttp ttr tts ttt