-er c-- ccc ccd cce cch ccr ccw cdc cdd cde cdh cdr cdw ce- cec ced cee ceh cer cew ch- chc chd che chh chr chw crc crd cre crh crr crw cw- cwc cwd cwe cwh cwr dcc dcd dce dcr dcw ddc ddd dde ddh ddr ddw de- dec ded dee deh der dew dh- dhc dhd dhe dhh dhr dhw drc drd dre drr drw dwc dwe dwh dwr dww ec- ecc ecd ece ech ecr ecw ed- edc edd ede edh edr edw eec eed eee eer eew ehc ehd ehe ehh ehr erc erd ere erh err erw ewc ewd ewe ewr eww hcc hcd hce hch hcr hcw hdc hdd hde hdh hdr hdw he- hec hed hee heh her hew hhc hhd hhe hhh hhr hhw hr- hrc hrd hre hrh hrr hrw hw- hwd hwe hwr hww rcc rcd rce rch rcr rcw rdc rdd rde rdh rdr re- rec red ree reh rer rew rh- rhc rhd rhe rhh rhr rrc rrd rrh rrr rwc rwd rwe rwh rwr wcc wcd wce wch wcr wcw wdc wdr wec wed wee weh wer wew wh- whc whd whh whr whw wr- wrc wrd wre wrh wrr wrw wwc wwd wwe www