rci rcm rco rcp rcr rcs rct rdc rdd rde rdf rdi rdm rdo rdp rdr rds rdt re- rec red ree ref rei rem reo rep rer res ret rfc rfd rfe rff rfi rfm rfo rfp rfr rfs rft ric rid rie rif rii rim rio rip rir ris rit rmc rmd rme rmf rmi rmm rmo rmp rmr rms rmt roc rod roe rof roi rom roo rop ror ros rot rpc rpd rpe rpf rpi rpm rpo rpp rpr rps rpt rrc rrd rrf rri rrm rrp rrr rrs rrt rsc rsd rse rsf rsi rsm rso rsp rsr rss rst rtc rtd rte rtf rti rtm rto rtp rtr rts rtt scc scd sce scf sci scm sco scp scr scs sct sdc sdd sde sdf sdi sdm sdo sdp sdr sds sdt se- sec sed see sef sei sem seo sep ser ses set sfc sfd sfe sff sfi sfm sfo sfp sfr sfs sft sic sid sie sif sii sim sio sip sir sis sit smc smd sme smf smi smm smo smp smr sms smt soc sod soe sof soi som soo sop sor sos sot spc spd spe spf spi spm spo spp spr sps spt sr- src srd sre srf sri srm sro srp srr srs srt ss- ssc ssd sse ssf ssi ssm sso ssp ssr sss sst stc std ste stf sti stm sto stp str sts stt tcc tcd tce tcf tci tcm tco tcp tcr tcs tct tdc tdd tde tdf tdi tdm tdo tdp tdr tds tdt te- tec ted tee tef tei tem teo tep ter tes tet tfc tfd tfe tff tfi tfm tfo tfp tfr tfs tft tic tid tie tif tii tim tio tip tir tis tit tmc tmd tme tmf tmi tmm tmo tmp tmr tms tmt to- toc tod toe tof toi tom too top tor tos tot tpc tpd tpe tpf tpi tpm tpo tpp tpr tps tpt trc trd tre trf tri trm tro trp trr trs trt tsc tsd tse tsf tsi tsm tso tsp tsr tss tst ttc ttd tte ttf tti ttm tto ttp ttr tts ttt