-er -ic -ol c-- ccc cce cci cck ccl cco ccr cct ce- cec cee cei cek cel ceo cer cet ci- cic cie cii cik cil cio cir cit ckc cki cko ckt cl- clc cle cli clk cll clo clr clt co- coc coe coi cok col coo cor cot crc cre cri crk crl cro crr crt ctc cte cti ctk ctl cto ctr ctt ec- ecc ece eci eck ecl eco ecr ect eec eee eek eel eeo eer eet eic eie eii eik eil eio eir eit ekc eke eki ekl eko ekr ekt elc ele eli elk ell elo elr elt eo- eoc eoe eoi eok eol eoo eor eot erc ere eri erk erl ero err ert etc ete eti etk etl eto etr ett icc ice ici ick icl ico icr ict ie- iec iee iei iek iel ier iet iic iie iii iil iio iir iit ikc ike iki ikk ikl iko ikr ikt il- ilc ile ili ilk ill ilo ilr ilt io- ioc ioe ioi iol ioo ior iot ir- irc ire iri irk irl iro irr irt itc ite iti itk itl ito itt k-t kcc kce kci kck kcl kcr kct ke- kec kee kei kek kel keo ker ket kic kie kii kik kil kio kir kit kkc kke kki kkk kkl kkr kkt kl- klc kli klo klr klt koc koe koi kok kol koo kor kot krc kri krk krl kro krr krt ktc kte ktk ktl kto ktr ktt lcc lce lci lck lcl lco lcr lct lec lee lei lek lel leo ler let lic lie lii lik lil lio lir lit lkl lkr lkt llc lle lli llk lll llo llr llt loc loe loi lok lol loo lor lot lrc lri lrk lro lrr lrt ltc lte lti ltk ltl lto ltr ltt o-i oc- occ oci ock ocl oco ocr oct oec oee oei oel oeo oer oet oic oie oii oik oil oio oir oit okc oke oki okk okl oko okr olc ole oli olk oll olo olt oo- ooc ooi ook ool ooo oor oot or- orc ore ori ork orl oro orr ort ot- otc ote oti otk otl oto otr ott rcc rce rci rcl rco rcr rct re- rec ree rei rek rel reo rer ret ric rie rii rik ril rio rir rit rkc rke rkk rko rkt rlc rle rli rll rlo rlr rlt roc roe roi rok rol roo ror rot rrc rri rrk rrl rrr rrt rtc rte rti rtk rtl rto rtr rtt tcc tce tci tck tcl tco tcr tct te- tec tee tei tek tel teo ter tet tic tie tii tik til tio tir tit tkc tke tkk tkl tko tkr tkt tlc tle tli tlk tll tlo tlr tlt to- toc toe toi tok tol too tor tot trc tre tri trk trl tro trr trt ttc tte tti ttk ttl tto ttr ttt