-er -ic -ol c-- ccc cce cci cck ccl cco ccr cct ccu ce- cec cee cei cek cel ceo cer cet ceu ci- cic cie cii cik cil cio cir cit ciu ckc cki cko ckt cl- clc cle cli clk cll clo clr clt clu co- coc coe coi cok col coo cor cot cou crc cre cri crk crl cro crr crt cru ctc cte cti ctk ctl cto ctr ctt ctu cuc cue cui cuk cul cuo cur cut cuu ec- ecc ece eci eck ecl eco ecr ect ecu eec eee eek eel eeo eer eet eic eie eii eik eil eio eir eit eiu ekc eke eki ekl eko ekr ekt eku elc ele eli elk ell elo elr elt elu eo- eoc eoe eoi eok eol eoo eor eot eou erc ere eri erk erl ero err ert eru etc ete eti etk etl eto etr ett etu eu- euc eue eui eul eur eut icc ice ici ick icl ico icr ict icu ie- iec iee iei iek iel ier iet iic iie iii iil iio iir iit iiu ikc ike iki ikk ikl iko ikr ikt iku il- ilc ile ili ilk ill ilo ilr ilt ilu io- ioc ioe ioi iol ioo ior iot iou ir- irc ire iri irk irl iro irr irt iru itc ite iti itk itl ito itt itu iu- iuc iue iui iur iut k-t kcc kce kci kck kcl kcr kct kcu ke- kec kee kei kek kel keo ker ket kic kie kii kik kil kio kir kit kiu kkc kke kki kkk kkl kkr kkt kku kl- klc kli klo klr klt klu koc koe koi kok kol koo kor kot kou krc kri krk krl kro krr krt kru ktc kte ktk ktl kto ktr ktt ktu kuc kue kui kuk kul kur kut kuu lcc lce lci lck lcl lco lcr lct lcu lec lee lei lek lel leo ler let leu lic lie lii lik lil lio lir lit liu lkl lkr lkt llc lle lli llk lll llo llr llt llu loc loe loi lok lol loo lor lot lou lrc lri lrk lro lrr lrt lru ltc lte lti ltk ltl lto ltr ltt ltu luc lue lui luk lul luo lur lut luu o-i oc- occ oci ock ocl oco ocr oct ocu oec oee oei oel oeo oer oet oic oie oii oik oil oio oir oit oiu okc oke oki okk okl oko okr oku olc ole oli olk oll olo olt olu oo- ooc ooi ook ool ooo oor oot or- orc ore ori ork orl oro orr ort oru ot- otc ote oti otk otl oto otr ott otu ou- ouc oue oui ouk oul ouo our out rcc rce rci rcl rco rcr rct rcu re- rec ree rei rek rel reo rer ret reu ric rie rii rik ril rio rir rit rkc rke rkk rko rkt rku rlc rle rli rll rlo rlr rlt rlu roc roe roi rok rol roo ror rot rou rrc rri rrk rrl rrr rrt rru rtc rte rti rtk rtl rto rtr rtt rtu ruc rue rui ruk ruo rur rut ruu tcc tce tci tck tcl tco tcr tct tcu te- tec tee tei tek tel teo ter tet teu tic tie tii tik til tio tir tit tiu tkc tke tkk tkl tko tkr tkt tlc tle tli tlk tll tlo tlr tlt tlu to- toc toe toi tok tol too tor tot tou trc tre tri trk trl tro trr trt tru ttc tte tti ttk ttl tto ttr ttt ttu tuc tue tui tuk tul tuo tur tut tuu ucc uce uci uck ucl uco ucr uct ucu uec uee uei uel uer uet uic uie uii uil uio uir uit uiu ukc uke uki ukk ukl ukr uku ulc ule uli ulk ull ulo ulr ult ulu uoc uoe uok uol uoo uor uot ur- urc ure uri urk url uro urr urt uru utc ute uti utk utl uto utr utt utu uuc uue uur uut uuu