rce rci rcl rcm rco rcp rcr rcs rct rdc rdd rde rdi rdl rdm rdo rdp rdr rds rdt re- rec red ree rei rel rem reo rep rer res ret ric rid rie rii ril rim rio rip rir ris rit rlc rld rle rli rll rlm rlo rlp rlr rls rlt rmc rmd rme rmi rml rmm rmo rmp rmr rms rmt roc rod roe roi rol rom roo rop ror ros rot rpc rpd rpe rpi rpl rpm rpo rpp rpr rps rpt rrc rrd rri rrl rrm rrp rrr rrs rrt rsc rsd rse rsi rsl rsm rso rsp rsr rss rst rtc rtd rte rti rtl rtm rto rtp rtr rts rtt scc scd sce sci scl scm sco scp scr scs sct sdc sdd sde sdi sdl sdm sdo sdp sdr sds sdt se- sec sed see sei sel sem seo sep ser ses set sic sid sie sii sil sim sio sip sir sis sit slc sld sle sli sll slm slo slp slr sls slt smc smd sme smi sml smm smo smp smr sms smt soc sod soe soi sol som soo sop sor sos sot spc spd spe spi spl spm spo spp spr sps spt sr- src srd sre sri srl srm sro srp srr srs srt ss- ssc ssd sse ssi ssl ssm sso ssp ssr sss sst stc std ste sti stl stm sto stp str sts stt tcc tcd tce tci tcl tcm tco tcp tcr tcs tct tdc tdd tde tdi tdl tdm tdo tdp tdr tds tdt te- tec ted tee tei tel tem teo tep ter tes tet tic tid tie tii til tim tio tip tir tis tit tlc tld tle tli tll tlm tlo tlp tlr tls tlt tmc tmd tme tmi tml tmm tmo tmp tmr tms tmt to- toc tod toe toi tol tom too top tor tos tot tpc tpd tpe tpi tpl tpm tpo tpp tpr tps tpt trc trd tre tri trl trm tro trp trr trs trt tsc tsd tse tsi tsl tsm tso tsp tsr tss tst ttc ttd tte tti ttl ttm tto ttp ttr tts ttt