c-- ccc ccd ccn ccr ccw cdc cdd cdn cdr cdw cn- cnc cnd cnn cnr cnw crc crd crn crr crw cw- cwc cwd cwn cwr dcc dcd dcn dcr dcw ddc ddd ddn ddr ddw dnc dnd dnn dnr dnw drc drd drn drr drw dwc dwn dwr dww ncc ncd ncn ncr ncw ndc ndd ndn ndr nnc nnn nnw nrc nrd nrn nrr nrw nwc nwd nwn nwr rcc rcd rcn rcr rcw rdc rdd rdn rdr rnc rnd rnn rnr rnw rrc rrd rrn rrr rwc rwd rwr wcc wcd wcn wcr wcw wdc wdr wn- wnc wnd wnn wnw wr- wrc wrd wrn wrr wrw wwc wwd wwn www