-er -ic c-- ccc ccd cce cci cck cco ccr ccw cdc cdd cde cdi cdk cdo cdr cdw ce- cec ced cee cei cek ceo cer cew ci- cic cid cie cii cik cio cir ciw ckc ckd cki cko ckw co- coc cod coe coi cok coo cor cow crc crd cre cri crk cro crr crw cw- cwc cwd cwe cwi cwk cwo cwr dcc dcd dce dci dck dco dcr dcw ddc ddd dde ddi ddk ddo ddr ddw de- dec ded dee dei dek deo der dew di- dic did die dii dik dio dir diw dkc dke dki dkk dko dkr dkw doc dod doe doi dok doo dor dow drc drd dre dri drk dro drr drw dwc dwe dwi dwo dwr dww ec- ecc ecd ece eci eck eco ecr ecw ed- edc edd ede edi edk edo edr edw eec eed eee eek eeo eer eew eic eid eie eii eik eio eir ekc ekd eke eki eko ekr eo- eoc eod eoe eoi eok eoo eor eow erc erd ere eri erk ero err erw ewc ewd ewe ewi ewk ewo ewr eww i-d icc icd ice ici ick ico icr icw idc idd ide idi idk ido idr idw ie- iec ied iee iei iek ier iic iid iie iii iio iir iiw ikc ike iki ikk iko ikr io- ioc iod ioe ioi ioo ior iow ir- irc ird ire iri irk iro irr iwc iwd iwe iwi iwk iwo iwr iww kcc kcd kce kci kck kcr kdc kde kdk kdo kdr ke- kec ked kee kei kek keo ker kew kic kid kie kii kik kio kir kkc kke kki kkk kkr koc kod koe koi kok koo kor kow krc krd kri krk kro krr krw kw- kwc kwd kwi kwk kwo kww o-i oc- occ ocd oci ock oco ocr ocw odc odd ode odi odo odr oec oed oee oei oeo oer oic oid oie oii oik oio oir okc okd oke oki okk oko okr okw oo- ooc ood ooi ook ooo oor oow or- orc ord ore ori ork oro orr owc owd owe owi owk owo oww rcc rcd rce rci rco rcr rcw rdc rdd rde rdi rdo rdr re- rec red ree rei rek reo rer rew ric rid rie rii rik rio rir rkc rke rkk rko roc rod roe roi rok roo ror row rrc rrd rri rrk rrr rwc rwd rwe rwi rwr wcc wcd wce wci wck wco wcr wcw wdc wdi wdr wec wed wee wei wek weo wer wew wic wid wie wii wik wir wkc wkd wke wko wkr wkw woc wod woe woi wok woo wor wow wr- wrc wrd wre wri wrk wro wrr wrw wwc wwd wwe wwi wwo www