c-- ccc ccd cce cck ccw cdc cdd cde cdk cdw ce- cec ced cee cek cew ckc ckd ckw cw- cwc cwd cwe cwk dcc dcd dce dck dcw ddc ddd dde ddk ddw de- dec ded dee dek dew dkc dke dkk dkw dwc dwe dww ec- ecc ecd ece eck ecw ed- edc edd ede edk edw eec eed eee eek eew ekc ekd eke ewc ewd ewe ewk eww kcc kcd kce kck kdc kde kdk ke- kec ked kee kek kew kkc kke kkk kw- kwc kwd kwk kww wcc wcd wce wck wcw wdc wec wed wee wek wew wkc wkd wke wkw wwc wwd wwe www