-er -ic -ol c-- ccc cce cci cck ccl cco ccr ccv ce- cec cee cei cek cel ceo cer cev ci- cic cie cii cik cil cio cir civ ckc cki cko cl- clc cle cli clk cll clo clr clv co- coc coe coi cok col coo cor cov crc cre cri crk crl cro crr crv cvc cve cvi cvk cvl cvo cvr cvv ec- ecc ece eci eck ecl eco ecr ecv eec eee eek eel eeo eer eev eic eie eii eik eil eio eir eiv ekc eke eki ekl eko ekr ekv elc ele eli elk ell elo elr elv eo- eoc eoe eoi eok eol eoo eor erc ere eri erk erl ero err erv evc eve evi evl evo evr evv i-v icc ice ici ick icl ico icr icv ie- iec iee iei iek iel ier iev iic iie iii iil iio iir ikc ike iki ikk ikl iko ikr ikv il- ilc ile ili ilk ill ilo ilr ilv io- ioc ioe ioi iol ioo ior iov ir- irc ire iri irk irl iro irr irv ivc ive ivi ivl ivo ivr ivv kcc kce kci kck kcl kcr ke- kec kee kei kek kel keo ker kev kic kie kii kik kil kio kir kiv kkc kke kki kkk kkl kkr kkv kl- klc kli klo klr klv koc koe koi kok kol koo kor krc kri krk krl kro krr krv kvi kvk kvo kvr kvv lcc lce lci lck lcl lco lcr lcv lec lee lei lek lel leo ler lev lic lie lii lik lil lio lir liv lkl lkr llc lle lli llk lll llo llr llv loc loe loi lok lol loo lor lov lrc lri lrk lro lrr lrv lvc lve lvi lvl lvr lvv o-i oc- occ oci ock ocl oco ocr ocv oec oee oei oel oeo oer oic oie oii oik oil oio oir oiv okc oke oki okk okl oko okr olc ole oli olk oll olo oo- ooc ooi ook ool ooo oor oov or- orc ore ori ork orl oro orr orv ov- ovc ove ovi ovl ovo ovv rcc rce rci rcl rco rcr rcv re- rec ree rei rek rel reo rer rev ric rie rii rik ril rio rir riv rkc rke rkk rko rkv rlc rle rli rll rlo rlr roc roe roi rok rol roo ror rov rrc rri rrk rrl rrr rvc rve rvi rvl rvo rvr rvv v-e vcc vce vci vcl vco vcr vec vee vei vek vel veo ver vi- vic vie vii vik vil vio vir viv vl- vlc vle vlk vll vlo vlv voc voe voi vok vol voo vor vov vrc vre vri vrk vrr vvc vvi vvo vvr vvv