-er -ol c-- ccc ccd cce cck ccl cco ccr ccw cdc cdd cde cdk cdl cdo cdr cdw ce- cec ced cee cek cel ceo cer cew ckc ckd cko ckw cl- clc cld cle clk cll clo clr clw co- coc cod coe cok col coo cor cow crc crd cre crk crl cro crr crw cw- cwc cwd cwe cwk cwl cwo cwr dcc dcd dce dck dcl dco dcr dcw ddc ddd dde ddk ddl ddo ddr ddw de- dec ded dee dek del deo der dew dkc dke dkk dkl dko dkr dkw dl- dlc dld dle dlk dll dlo dlr doc dod doe dok dol doo dor dow drc drd dre drk drl dro drr drw dwc dwe dwo dwr dww ec- ecc ecd ece eck ecl eco ecr ecw ed- edc edd ede edk edl edo edr edw eec eed eee eek eel eeo eer eew ekc ekd eke ekl eko ekr elc eld ele elk ell elo elr elw eo- eoc eod eoe eok eol eoo eor eow erc erd ere erk erl ero err erw ewc ewd ewe ewk ewl ewo ewr eww kcc kcd kce kck kcl kcr kdc kde kdk kdl kdo kdr ke- kec ked kee kek kel keo ker kew kkc kke kkk kkl kkr kl- klc kld klo klr koc kod koe kok kol koo kor kow krc krd krk krl kro krr krw kw- kwc kwd kwk kwo kww lcc lcd lce lck lcl lco lcr lcw ldc ldd lde ldk ldl ldo ldr ldw lec led lee lek lel leo ler lew lkl lkr llc lld lle llk lll llo llr llw loc lod loe lok lol loo lor low lrc lrd lrk lro lrr lrw lwc lwd lwl lwo lwr lww oc- occ ocd ock ocl oco ocr ocw odc odd ode odl odo odr oec oed oee oel oeo oer okc okd oke okk okl oko okr okw olc old ole olk oll olo olw oo- ooc ood ook ool ooo oor oow or- orc ord ore ork orl oro orr owc owd owe owk owl owo oww rcc rcd rce rcl rco rcr rcw rdc rdd rde rdl rdo rdr re- rec red ree rek rel reo rer rew rkc rke rkk rko rlc rld rle rll rlo rlr rlw roc rod roe rok rol roo ror row rrc rrd rrk rrl rrr rwc rwd rwe rwl rwr wcc wcd wce wck wcl wco wcr wcw wdc wdl wdr wec wed wee wek wel weo wer wew wkc wkd wke wko wkr wkw wl- wlc wle wll wlo wlr wlw woc wod woe wok wol woo wor wow wr- wrc wrd wre wrk wrl wro wrr wrw wwc wwd wwe wwl wwo www