-er c-- ccc cce ccm cco ccr ccw ce- cec cee cem ceo cer cew cmc cme cmm cmo cmr cmw co- coc coe com coo cor cow crc cre crm cro crr crw cw- cwc cwe cwm cwo cwr ec- ecc ece ecm eco ecr ecw eec eee eem eeo eer eew em- emc eme emm emo emr emw eo- eoc eoe eom eoo eor eow erc ere erm ero err erw ewc ewe ewm ewo ewr eww m-o m-r m-w mc- mcc mce mcm mco mcr mcw mec mee mem meo mer mew mmc mme mmm mmo mmr mmw moc moe mom moo mor mow mrc mre mrm mro mrr mrw mwc mwe mwm mwo mwr mww oc- occ ocm oco ocr ocw oec oee oem oeo oer om- omc ome omm omo omr omw oo- ooc oom ooo oor oow or- orc ore orm oro orr owc owe owm owo oww rcc rce rcm rco rcr rcw re- rec ree rem reo rer rew rmc rme rmm rmo rmr roc roe rom roo ror row rrc rrm rrr rwc rwe rwm rwr wcc wce wcm wco wcr wcw wec wee wem weo wer wew wm- wmc wme wmm wmo wmr woc woe wom woo wor wow wr- wrc wre wrm wro wrr wrw wwc wwe wwm wwo www