-er c-- ccc ccd cce cck ccr ccw cdc cdd cde cdk cdr cdw ce- cec ced cee cek cer cew ckc ckd ckw crc crd cre crk crr crw cw- cwc cwd cwe cwk cwr dcc dcd dce dck dcr dcw ddc ddd dde ddk ddr ddw de- dec ded dee dek der dew dkc dke dkk dkr dkw drc drd dre drk drr drw dwc dwe dwr dww ec- ecc ecd ece eck ecr ecw ed- edc edd ede edk edr edw eec eed eee eek eer eew ekc ekd eke ekr erc erd ere erk err erw ewc ewd ewe ewk ewr eww kcc kcd kce kck kcr kdc kde kdk kdr ke- kec ked kee kek ker kew kkc kke kkk kkr krc krd krk krr krw kw- kwc kwd kwk kww rcc rcd rce rcr rcw rdc rdd rde rdr re- rec red ree rek rer rew rkc rke rkk rrc rrd rrk rrr rwc rwd rwe rwr wcc wcd wce wck wcr wcw wdc wdr wec wed wee wek wer wew wkc wkd wke wkr wkw wr- wrc wrd wre wrk wrr wrw wwc wwd wwe www