-er c-- ccc cce ccl ccr ccs cct ccu ccv ce- cec cee cel cer ces cet ceu cev cl- clc cle cll clr cls clt clu clv crc cre crl crr crs crt cru crv csc cse csl csr css cst csu csv ctc cte ctl ctr cts ctt ctu ctv cuc cue cul cur cus cut cuu cuv cvc cve cvl cvr cvs cvt cvu cvv ec- ecc ece ecl ecr ecs ect ecu ecv eec eee eel eer ees eet eev elc ele ell elr els elt elu elv erc ere erl err ers ert eru erv es- esc ese esl esr ess est esu esv etc ete etl etr ets ett etu etv eu- euc eue eul eur eus eut euv evc eve evl evr evs evt evv lcc lce lcl lcr lcs lct lcu lcv lec lee lel ler les let leu lev llc lle lll llr lls llt llu llv lrc lrr lrs lrt lru lrv lsc lse lsl lsr lss lst lsu lsv ltc lte ltl ltr lts ltt ltu ltv luc lue lul lur lus lut luu luv lvc lve lvl lvr lvs lvt lvv rcc rce rcl rcr rcs rct rcu rcv re- rec ree rel rer res ret reu rev rlc rle rll rlr rls rlt rlu rrc rrl rrr rrs rrt rru rsc rse rsl rsr rss rst rsu rsv rtc rte rtl rtr rts rtt rtu rtv ruc rue rur rus rut ruu ruv rvc rve rvl rvr rvs rvt rvu rvv scc sce scl scr scs sct scu scv se- sec see sel ser ses set seu sev slc sle sll slr sls slt slu slv sr- src sre srl srr srs srt srv ss- ssc sse ssl ssr sss sst ssu ssv stc ste stl str sts stt stu stv suc sue sul sur sus sut suu suv svc sve svl svr svs svt svu svv tcc tce tcl tcr tcs tct tcu tcv te- tec tee tel ter tes tet teu tev tlc tle tll tlr tls tlt tlu tlv trc tre trl trr trs trt tru trv tsc tse tsl tsr tss tst tsu tsv ttc tte ttl ttr tts ttt ttu ttv tuc tue tul tur tus tut tuu tuv tvc tve tvl tvr tvs tvt tvu ucc uce ucl ucr ucs uct ucu ucv uec uee uel uer ues uet ulc ule ull ulr uls ult ulu ulv ur- urc ure url urr urs urt uru usc use usl usr uss ust usu usv utc ute utl utr uts utt utu utv uuc uue uur uus uut uuu uvc uve uvl uvs uvu uvv v-e vcc vce vcl vcr vcs vct vcu vec vee vel ver ves vet veu vl- vlc vle vll vls vlt vlv vrc vre vrr vrs vrt vru vsc vse vsl vsr vss vst vsu vsv vtc vte vtl vtr vts vtt vtu vtv vue vul vur vus vut vuv vvc vvr vvs vvt vvv