-er -ic c-- ccc cce cch cci cck cco ccr ccw ce- cec cee ceh cei cek ceo cer cew ch- chc che chh chi chk cho chr chw ci- cic cie cih cii cik cio cir ciw ckc ckh cki cko ckw co- coc coe coh coi cok coo cor cow crc cre crh cri crk cro crr crw cw- cwc cwe cwh cwi cwk cwo cwr ec- ecc ece ech eci eck eco ecr ecw eec eee eek eeo eer eew ehc ehe ehh ehi eho ehr eic eie eii eik eio eir ekc eke ekh eki eko ekr eo- eoc eoe eoh eoi eok eoo eor eow erc ere erh eri erk ero err erw ewc ewe ewi ewk ewo ewr eww h-i hcc hce hch hci hck hco hcr hcw he- hec hee heh hei hek heo her hew hhc hhe hhh hhi hhk hho hhr hhw hic hie hih hii hik hio hir hiw hkh hki hkk hko hkr hkw hoc hoe hoh hoi hok hoo hor how hr- hrc hre hrh hri hrk hro hrr hrw hw- hwe hwi hwk hwo hwr hww icc ice ich ici ick ico icr icw ie- iec iee iei iek ier ihc ihe ihh ihi ihk iho ihr iic iie iih iii iio iir iiw ikc ike iki ikk iko ikr io- ioc ioe ioh ioi ioo ior iow ir- irc ire iri irk iro irr iwc iwe iwi iwk iwo iwr iww kcc kce kch kci kck kcr ke- kec kee keh kei kek keo ker kew khe khh khi khk kho khr kic kie kih kii kik kio kir kkc kke kkh kki kkk kkr koc koe koh koi kok koo kor kow krc kri krk kro krr krw kw- kwc kwh kwi kwk kwo kww o-i oc- occ och oci ock oco ocr ocw oec oee oeh oei oeo oer ohc ohe ohh ohi oho ohr oic oie oii oik oio oir okc oke oki okk oko okr okw oo- ooc ooh ooi ook ooo oor oow or- orc ore orh ori ork oro orr owc owe owh owi owk owo oww rcc rce rch rci rco rcr rcw re- rec ree reh rei rek reo rer rew rh- rhc rhe rhh rhi rho rhr ric rie rih rii rik rio rir rkc rke rkk rko roc roe roh roi rok roo ror row rrc rrh rri rrk rrr rwc rwe rwh rwi rwr wcc wce wch wci wck wco wcr wcw wec wee weh wei wek weo wer wew wh- whc whh whi whk who whr whw wic wie wii wik wir wkc wke wko wkr wkw woc woe woh woi wok woo wor wow wr- wrc wre wrh wri wrk wro wrr wrw wwc wwe wwi wwo www