-er -ic c-- ccc cce cci ccl ccr ccs ccv ce- cec cee cei cel cer ces cev ci- cic cie cii cil cir cis civ cl- clc cle cli cll clr cls clv crc cre cri crl crr crs crv csc cse csi csl csr css csv cvc cve cvi cvl cvr cvs cvv ec- ecc ece eci ecl ecr ecs ecv eec eee eel eer ees eev eic eie eii eil eir eis eiv elc ele eli ell elr els elv erc ere eri erl err ers erv es- esc ese esi esl esr ess esv evc eve evi evl evr evs evv i-v icc ice ici icl icr ics icv ie- iec iee iei iel ier ies iev iic iie iii iil iir iis il- ilc ile ili ill ilr ils ilv ir- irc ire iri irl irr irs irv is- isc ise isi isl isr iss isv ivc ive ivi ivl ivr ivs ivv lcc lce lci lcl lcr lcs lcv lec lee lei lel ler les lev lic lie lii lil lir lis liv llc lle lli lll llr lls llv lrc lri lrr lrs lrv lsc lse lsi lsl lsr lss lsv lvc lve lvi lvl lvr lvs lvv rcc rce rci rcl rcr rcs rcv re- rec ree rei rel rer res rev ric rie rii ril rir ris riv rlc rle rli rll rlr rls rrc rri rrl rrr rrs rsc rse rsi rsl rsr rss rsv rvc rve rvi rvl rvr rvs rvv scc sce sci scl scr scs scv se- sec see sei sel ser ses sev sic sie sii sil sir sis siv slc sle sli sll slr sls slv sr- src sre sri srl srr srs srv ss- ssc sse ssi ssl ssr sss ssv svc sve svi svl svr svs svv v-e vcc vce vci vcl vcr vcs vec vee vei vel ver ves vi- vic vie vii vil vir vis viv vl- vlc vle vll vls vlv vrc vre vri vrr vrs vsc vse vsi vsl vsr vss vsv vvc vvi vvr vvs vvv