-er -ic c-- ccc cce cci cck cco ccr ccw ce- cec cee cei cek ceo cer cew ci- cic cie cii cik cio cir ciw ckc cki cko ckw co- coc coe coi cok coo cor cow crc cre cri crk cro crr crw cw- cwc cwe cwi cwk cwo cwr ec- ecc ece eci eck eco ecr ecw eec eee eek eeo eer eew eic eie eii eik eio eir ekc eke eki eko ekr eo- eoc eoe eoi eok eoo eor eow erc ere eri erk ero err erw ewc ewe ewi ewk ewo ewr eww icc ice ici ick ico icr icw ie- iec iee iei iek ier iic iie iii iio iir iiw ikc ike iki ikk iko ikr io- ioc ioe ioi ioo ior iow ir- irc ire iri irk iro irr iwc iwe iwi iwk iwo iwr iww kcc kce kci kck kcr ke- kec kee kei kek keo ker kew kic kie kii kik kio kir kkc kke kki kkk kkr koc koe koi kok koo kor kow krc kri krk kro krr krw kw- kwc kwi kwk kwo kww o-i oc- occ oci ock oco ocr ocw oec oee oei oeo oer oic oie oii oik oio oir okc oke oki okk oko okr okw oo- ooc ooi ook ooo oor oow or- orc ore ori ork oro orr owc owe owi owk owo oww rcc rce rci rco rcr rcw re- rec ree rei rek reo rer rew ric rie rii rik rio rir rkc rke rkk rko roc roe roi rok roo ror row rrc rri rrk rrr rwc rwe rwi rwr wcc wce wci wck wco wcr wcw wec wee wei wek weo wer wew wic wie wii wik wir wkc wke wko wkr wkw woc woe woi wok woo wor wow wr- wrc wre wri wrk wro wrr wrw wwc wwe wwi wwo www