-er -ic c-- ccc cce cci ccl ccr ccs ccu ccv ce- cec cee cei cel cer ces ceu cev ci- cic cie cii cil cir cis ciu civ cl- clc cle cli cll clr cls clu clv crc cre cri crl crr crs cru crv csc cse csi csl csr css csu csv cuc cue cui cul cur cus cuu cuv cvc cve cvi cvl cvr cvs cvu cvv ec- ecc ece eci ecl ecr ecs ecu ecv eec eee eel eer ees eev eic eie eii eil eir eis eiu eiv elc ele eli ell elr els elu elv erc ere eri erl err ers eru erv es- esc ese esi esl esr ess esu esv eu- euc eue eui eul eur eus euv evc eve evi evl evr evs evv i-v icc ice ici icl icr ics icu icv ie- iec iee iei iel ier ies iev iic iie iii iil iir iis iiu il- ilc ile ili ill ilr ils ilu ilv ir- irc ire iri irl irr irs iru irv is- isc ise isi isl isr iss isu isv iu- iuc iue iui iur ius ivc ive ivi ivl ivr ivs ivu ivv lcc lce lci lcl lcr lcs lcu lcv lec lee lei lel ler les leu lev lic lie lii lil lir lis liu liv llc lle lli lll llr lls llu llv lrc lri lrr lrs lru lrv lsc lse lsi lsl lsr lss lsu lsv luc lue lui lul lur lus luu luv lvc lve lvi lvl lvr lvs lvv rcc rce rci rcl rcr rcs rcu rcv re- rec ree rei rel rer res reu rev ric rie rii ril rir ris riv rlc rle rli rll rlr rls rlu rrc rri rrl rrr rrs rru rsc rse rsi rsl rsr rss rsu rsv ruc rue rui rur rus ruu ruv rvc rve rvi rvl rvr rvs rvu rvv scc sce sci scl scr scs scu scv se- sec see sei sel ser ses seu sev sic sie sii sil sir sis siu siv slc sle sli sll slr sls slu slv sr- src sre sri srl srr srs srv ss- ssc sse ssi ssl ssr sss ssu ssv suc sue sui sul sur sus suu suv svc sve svi svl svr svs svu svv ucc uce uci ucl ucr ucs ucu ucv uec uee uei uel uer ues uic uie uii uil uir uis uiu ulc ule uli ull ulr uls ulu ulv ur- urc ure uri url urr urs uru usc use usi usl usr uss usu usv uuc uue uur uus uuu uvc uve uvl uvs uvu uvv v-e vcc vce vci vcl vcr vcs vcu vec vee vei vel ver ves veu vi- vic vie vii vil vir vis viu viv vl- vlc vle vll vls vlv vrc vre vri vrr vrs vru vsc vse vsi vsl vsr vss vsu vsv vue vul vur vus vuv vvc vvi vvr vvs vvv