-er c-- ccc ccd cce cck cco ccr ccu ccw cdc cdd cde cdk cdo cdr cdu cdw ce- cec ced cee cek ceo cer ceu cew ckc ckd cko ckw co- coc cod coe cok coo cor cou cow crc crd cre crk cro crr cru crw cuc cud cue cuk cuo cur cuu cuw cw- cwc cwd cwe cwk cwo cwr cwu dcc dcd dce dck dco dcr dcu dcw ddc ddd dde ddk ddo ddr ddu ddw de- dec ded dee dek deo der deu dew dkc dke dkk dko dkr dku dkw doc dod doe dok doo dor dou dow drc drd dre drk dro drr dru drw duc dud due duk duo dur dwc dwe dwo dwr dwu dww ec- ecc ecd ece eck eco ecr ecu ecw ed- edc edd ede edk edo edr edu edw eec eed eee eek eeo eer eew ekc ekd eke eko ekr eku eo- eoc eod eoe eok eoo eor eou eow erc erd ere erk ero err eru erw eu- euc eud eue eur ewc ewd ewe ewk ewo ewr ewu eww kcc kcd kce kck kcr kcu kdc kde kdk kdo kdr kdu ke- kec ked kee kek keo ker kew kkc kke kkk kkr kku koc kod koe kok koo kor kou kow krc krd krk kro krr kru krw kuc kud kue kuk kur kuu kw- kwc kwd kwk kwo kww oc- occ ocd ock oco ocr ocu ocw odc odd ode odo odr odu oec oed oee oeo oer okc okd oke okk oko okr oku okw oo- ooc ood ook ooo oor oow or- orc ord ore ork oro orr oru ou- ouc oud oue ouk ouo our owc owd owe owk owo owu oww rcc rcd rce rco rcr rcu rcw rdc rdd rde rdo rdr rdu re- rec red ree rek reo rer reu rew rkc rke rkk rko rku roc rod roe rok roo ror rou row rrc rrd rrk rrr rru ruc rud rue ruk ruo rur ruu rwc rwd rwe rwr rwu ucc ucd uce uck uco ucr ucu ucw udc udd ude udk udo udr udu uec ued uee uer uew ukc uke ukk ukr uku uoc uod uoe uok uoo uor uow ur- urc urd ure urk uro urr uru urw uuc uue uur uuu uwc uwe uwr uww wcc wcd wce wck wco wcr wcu wcw wdc wdr wdu wec wed wee wek weo wer wew wkc wkd wke wko wkr wkw woc wod woe wok woo wor wou wow wr- wrc wrd wre wrk wro wrr wru wrw wuc wud wue wuo wur wwc wwd wwe wwo wwu www