c-cd cccc cccf ccdc ccdf cced ccee ccfc ccfd ccff ccoc ccod ccow cd-e cdec cdef cdfe cec- cece ceco cedd cede cedo ceec cef- cefc cewe cfcf cfco cfcw cfwc coce coco codd code coed cofc cofe coff cood coof cowd cowe cwfc dccc dcfc dddd ddoc dec- decc decd dece deco dedd dede dedo deed deef defe deff defo dewe dfcc dfco dfoe doce doco dod- dodd dode dodo doff dood doof dowd dowe dowf dwcw dwdd dwec dwwe dwww eccc ecce ecco ecdc ecdf eced ecef ecfc eco- ecod eddc edde eddo ede- edoc edod eede eeee eefe eeoc efco efeo eocd eode ewew fccf fdoc fece fede feed fefc fefe feff fefo feod feof fewd fewe ffcc ffee ffff ffwd foce foco fode foed fofo food foof fowd fowe fwcc fwdd fwde fwfc o-eo occc oce oced ocee ocef oddd oded odeo odoo oec- oecc oedo oeec off- offc offe offo ooff oooo owed owfe owoe owow wccc wccd wcce wccf wcco wccw wcdc wcdd wcde wcdo wcdw wcec wced wcee wcef wceo wcfc wcfo wcfw wcoc wcoe wcoo wcwc wcwf wdcc wdcd wdce wdcf wdco wdcw wddc wddd wdde wddo wddw wdec wded wdef wdeo wdoc wdod wdoe wdow wdwd wecc wecf weco wecw wedc wedd wede wedo wedw weec weed weef weeo wefc wefe weff weod weow wewc wewe wewo wfcc wfcf wfco wfdd wfdf wfed wffc wfff wfwc wfwo wocc woce woco wodc wodd wode woed wofc wofe woff wooc wood woof woow wowc wowe wowf wowo woww wwcd wwcf wwco wwcw wwdc wwdw wwec wweo wwfc wwfd wwfe wwfw wwod wwof wwow wwwc wwwe wwww