-er -ic -ol c-- ccc cce cci cck ccl cco ccr ccu ce- cec cee cei cek cel ceo cer ceu ci- cic cie cii cik cil cio cir ciu ckc cki cko cl- clc cle cli clk cll clo clr clu co- coc coe coi cok col coo cor cou crc cre cri crk crl cro crr cru cuc cue cui cuk cul cuo cur cuu ec- ecc ece eci eck ecl eco ecr ecu eec eee eek eel eeo eer eic eie eii eik eil eio eir eiu ekc eke eki ekl eko ekr eku elc ele eli elk ell elo elr elu eo- eoc eoe eoi eok eol eoo eor eou erc ere eri erk erl ero err eru eu- euc eue eui eul eur icc ice ici ick icl ico icr icu ie- iec iee iei iek iel ier iic iie iii iil iio iir iiu ikc ike iki ikk ikl iko ikr iku il- ilc ile ili ilk ill ilo ilr ilu io- ioc ioe ioi iol ioo ior iou ir- irc ire iri irk irl iro irr iru iu- iuc iue iui iur kcc kce kci kck kcl kcr kcu ke- kec kee kei kek kel keo ker kic kie kii kik kil kio kir kiu kkc kke kki kkk kkl kkr kku kl- klc kli klo klr klu koc koe koi kok kol koo kor kou krc kri krk krl kro krr kru kuc kue kui kuk kul kur kuu lcc lce lci lck lcl lco lcr lcu lec lee lei lek lel leo ler leu lic lie lii lik lil lio lir liu lkl lkr llc lle lli llk lll llo llr llu loc loe loi lok lol loo lor lou lrc lri lrk lro lrr lru luc lue lui luk lul luo lur luu o-i oc- occ oci ock ocl oco ocr ocu oec oee oei oel oeo oer oic oie oii oik oil oio oir oiu okc oke oki okk okl oko okr oku olc ole oli olk oll olo olu oo- ooc ooi ook ool ooo oor or- orc ore ori ork orl oro orr oru ou- ouc oue oui ouk oul ouo our rcc rce rci rcl rco rcr rcu re- rec ree rei rek rel reo rer reu ric rie rii rik ril rio rir rkc rke rkk rko rku rlc rle rli rll rlo rlr rlu roc roe roi rok rol roo ror rou rrc rri rrk rrl rrr rru ruc rue rui ruk ruo rur ruu ucc uce uci uck ucl uco ucr ucu uec uee uei uel uer uic uie uii uil uio uir uiu ukc uke uki ukk ukl ukr uku ulc ule uli ulk ull ulo ulr ulu uoc uoe uok uol uoo uor ur- urc ure uri urk url uro urr uru uuc uue uur uuu