-er -ic -ol c-- ccc cce cci cck ccl ccm cco ccr ccu ce- cec cee cei cek cel cem ceo cer ceu ci- cic cie cii cik cil cim cio cir ciu ckc cki ckm cko cl- clc cle cli clk cll clm clo clr clu cmc cme cmi cmk cml cmm cmo cmr cmu co- coc coe coi cok col com coo cor cou crc cre cri crk crl crm cro crr cru cuc cue cui cuk cul cum cuo cur cuu ec- ecc ece eci eck ecl ecm eco ecr ecu eec eee eek eel eem eeo eer eic eie eii eik eil eim eio eir eiu ekc eke eki ekl eko ekr eku elc ele eli elk ell elm elo elr elu em- emc eme emi emk eml emm emo emr emu eo- eoc eoe eoi eok eol eom eoo eor eou erc ere eri erk erl erm ero err eru eu- euc eue eui eul eur icc ice ici ick icl icm ico icr icu ie- iec iee iei iek iel iem ier iic iie iii iil iim iio iir iiu ikc ike iki ikk ikl iko ikr iku il- ilc ile ili ilk ill ilm ilo ilr ilu im- imc ime imi iml imm imo imu io- ioc ioe ioi iol iom ioo ior iou ir- irc ire iri irk irl irm iro irr iru iu- iuc iue iui ium iur kcc kce kci kck kcl kcm kcr kcu ke- kec kee kei kek kel kem keo ker kic kie kii kik kil kim kio kir kiu kkc kke kki kkk kkl kkm kkr kku kl- klc kli klm klo klr klu kmc kme kmi kmk kml kmm kmo kmu koc koe koi kok kol kom koo kor kou krc kri krk krl kro krr kru kuc kue kui kuk kul kum kur kuu lcc lce lci lck lcl lcm lco lcr lcu lec lee lei lek lel lem leo ler leu lic lie lii lik lil lim lio lir liu lkl lkr llc lle lli llk lll llm llo llr llu lmc lme lmi lmk lml lmm lmo lmr lmu loc loe loi lok lol lom loo lor lou lrc lri lrk lrm lro lrr lru luc lue lui luk lul lum luo lur luu m-o m-r mc- mcc mce mci mck mcl mcm mco mcr mcu mec mee mei mek mel mem meo mer meu mi- mic mie mii mik mil mim mio mir miu mkc mke mkk mkl mkm mko mkr mku mlc mle mli mlk mll mlm mlo mlr mlu mmc mme mmi mmk mml mmm mmo mmr mmu moc moe moi mok mol mom moo mor mou mrc mre mri mrk mrl mrm mro mrr mru muc mue mui muk mul mum mur muu o-i oc- occ oci ock ocl ocm oco ocr ocu oec oee oei oel oem oeo oer oic oie oii oik oil oim oio oir oiu okc oke oki okk okl oko okr oku olc ole oli olk oll olm olo olu om- omc ome omi oml omm omo omr omu oo- ooc ooi ook ool oom ooo oor or- orc ore ori ork orl orm oro orr oru ou- ouc oue oui ouk oul oum ouo our rcc rce rci rcl rcm rco rcr rcu re- rec ree rei rek rel rem reo rer reu ric rie rii rik ril rim rio rir rkc rke rkk rkm rko rku rlc rle rli rll rlm rlo rlr rlu rmc rme rmi rml rmm rmo rmr roc roe roi rok rol rom roo ror rou rrc rri rrk rrl rrm rrr rru ruc rue rui ruk rum ruo rur ruu ucc uce uci uck ucl ucm uco ucr ucu uec uee uei uel uem uer uic uie uii uil uim uio uir uiu ukc uke uki ukk ukl ukr uku ulc ule uli ulk ull ulm ulo ulr ulu um- umc ume umi uml umm umo umr umu uoc uoe uok uol uom uoo uor ur- urc ure uri urk url urm uro urr uru uuc uue uum uur uuu