bbbb bbdd bbdo bbeb bbfc bblb bcbc bccc bccl bcde bcec bcfc bcof bdbc bddc bdle bebb bebe bebo bede bedl bedo beeb beed beef beel befe beff befo beld bele bell belo beo- beod beof bffl bldc bleb bled blee bleo blfc blob bloc blod bloo bobb bobe bobo boce boco bodb bode bodo boec boee boef boel boeo bofd bofe boff bold bole boll bolo boob booc bood booe boof bool c-bo c-cd cbbc cbcc cbce cbcl cbdb cbdc cbdo cbec cbee cbef cbfb cbfc cblb cblc cbol ccbc cccb cccc cccf cccl ccdc ccdf cced ccee ccel ccfc ccfd ccff ccfl cclc ccob ccoc ccod cd-e cdbf cddb cddl cdec cdef cdfe cec- cece ceco cedd cede cedo ceeb ceec ceel cef- cefc cel- celc cele celf cell celo ceol cfbc cfcb cfcf cfcl cfco cffb clcd cldc clec cled clee clef cleo clob clod cloe clof cloo cobb cobe cobo coce coco codd code codl coed coel cofc cofe coff col- colb cold cole coll colo coob cood coof cool d-bo dbcc dbfc dbfo dcbc dccb dccc dccl dcdb dcfc dddd ddlc ddoc debe dec- decc decd dece decl deco dedd dede dedo deeb deed deef deel defe deff defo deld dele delf dell delo deol dfcc dfco dfoe dlbd dlco dobb dobe dobl doce doco dod- dodd dode dodo doel doff dold dole dolf doll dolo doob dood doof dool e-cl ebbc ebbo ebcc ebed ebel ebfc eboe ebol eboo ecbc ecbe eccb eccc ecce eccl ecco ecdc ecdf ecdl eced ecef ecfc eco- ecod ecol eddc edde eddo ede- edel edfl edle edoc edod eede eeee eefe eefl eele eeoc efco efeo el-b elbe elbo elcb elce elco elde elec eled elee elef eleo elfc elfe elle ello elod eocd eode eole eolo fble fccf fdoc febo fece fede feeb feed feel fefc fefe feff fefo feld fele felf fell felo feod feof ffcc ffee ffff flcl fled flee flob floc flod floe floo foce foco fode foed fofo folc fold fole foll folo food foof fool lbcc lcbc lccc lcce lcdd lcfc ldcf ldeo lebd lebo lece leco lede ledo leed leef leel lefe leff lele lell lelo leoc leod leof lfcc llcc lldb lldc llef lllc llll lloc llod lloo lob- lobb lobe lobo locc loce loco lode loeb lofe loff lold lole loll lolo loob looc lood looe loof lool o-eo obbo obec obed obel oble oboe obol ocbc occc oce oced ocee ocef oclc odbo oddd oded odel odeo odle odoo oec- oecc oedo oeec oele ofcl off- offc offe offo olbo olcc oldb olde ole- oled olef oleo olfe olle ollo olof oobe ooff oold oolo oooo