-er c-- ccc ccd cce ccn ccr ccw cdc cdd cde cdn cdr cdw ce- cec ced cee cen cer cew cn- cnc cnd cne cnn cnr cnw crc crd cre crn crr crw cw- cwc cwd cwe cwn cwr dcc dcd dce dcn dcr dcw ddc ddd dde ddn ddr ddw de- dec ded dee den der dew dnc dnd dne dnn dnr dnw drc drd dre drn drr drw dwc dwe dwn dwr dww ec- ecc ecd ece ecn ecr ecw ed- edc edd ede edn edr edw eec eed eee een eer eew en- enc end ene enn enr enw erc erd ere ern err erw ewc ewd ewe ewr eww ncc ncd nce ncn ncr ncw ndc ndd nde ndn ndr ne- nec ned nee nen ner new nnc nne nnn nnw nrc nrd nre nrn nrr nrw nwc nwd nwe nwn nwr rcc rcd rce rcn rcr rcw rdc rdd rde rdn rdr re- rec red ree ren rer rew rnc rnd rnn rnr rnw rrc rrd rrn rrr rwc rwd rwe rwr wcc wcd wce wcn wcr wcw wdc wdr wec wed wee wen wer wew wn- wnc wnd wne wnn wnw wr- wrc wrd wre wrn wrr wrw wwc wwd wwe wwn www