-er -ic c-- ccc cce cci cck ccl ccr ccv ce- cec cee cei cek cel cer cev ci- cic cie cii cik cil cir civ ckc cki cl- clc cle cli clk cll clr clv crc cre cri crk crl crr crv cvc cve cvi cvk cvl cvr cvv ec- ecc ece eci eck ecl ecr ecv eec eee eek eel eer eev eic eie eii eik eil eir eiv ekc eke eki ekl ekr ekv elc ele eli elk ell elr elv erc ere eri erk erl err erv evc eve evi evl evr evv i-v icc ice ici ick icl icr icv ie- iec iee iei iek iel ier iev iic iie iii iil iir ikc ike iki ikk ikl ikr ikv il- ilc ile ili ilk ill ilr ilv ir- irc ire iri irk irl irr irv ivc ive ivi ivl ivr ivv kcc kce kci kck kcl kcr ke- kec kee kei kek kel ker kev kic kie kii kik kil kir kiv kkc kke kki kkk kkl kkr kkv kl- klc kli klr klv krc kri krk krl krr krv kvi kvk kvr kvv lcc lce lci lck lcl lcr lcv lec lee lei lek lel ler lev lic lie lii lik lil lir liv lkl lkr llc lle lli llk lll llr llv lrc lri lrk lrr lrv lvc lve lvi lvl lvr lvv rcc rce rci rcl rcr rcv re- rec ree rei rek rel rer rev ric rie rii rik ril rir riv rkc rke rkk rkv rlc rle rli rll rlr rrc rri rrk rrl rrr rvc rve rvi rvl rvr rvv v-e vcc vce vci vcl vcr vec vee vei vek vel ver vi- vic vie vii vik vil vir viv vl- vlc vle vlk vll vlv vrc vre vri vrk vrr vvc vvi vvr vvv