bbbb bbdd bbdo bbeb bblb bcbc bccc bccl bcde bcec bcuc bdbc bddc bdle bebb bebe bebo becu bede bedl bedo bedu beeb beed beel beld bele bell belo belu beo- beod blcu bldc bleb bled blee bleo bleu blob bloc blod bloo blou blub blud blue bobb bobe bobo bobu boce boco bocu bodb bode bodo bodu boec boee boel boeo bold bole boll bolo bolu boob booc bood booe bool boud boue boul bubb bube bubo bubu bucc buce buco bucu budb budd bude budl budo budu buel bueu bulb buld bule bull bulu buol c-bo c-cd cbbc cbcc cbce cbcl cbcu cbdb cbdc cbdo cbec cbee cblb cblc cbol ccbc cccb cccc cccl cccu ccdc cced ccee ccel cclc ccob ccoc ccod ccuc cd-e cddb cddl cdec cebu cec- cece ceco cedd cede cedo cedu ceeb ceec ceel cel- celc cele cell celo ceol ceou clcd cldc clec cled clee cleo cleu clob clod cloe cloo clou club clud clue cobb cobe cobo cobu coce coco cocu codd code codl coed coel col- colb cold cole coll colo colu coob cood cool coub coud coue coul cub- cubb cube cucc cuce cude cued culb culc culd cule cull culo d-bo dbcc dcbc dccb dccc dccl dccu dcdb dddd ddlc ddoc ddub debe debu dec- decc decd dece decl deco dedd dede dedo dedu deeb deed deel deld dele dell delo deol deue deul dlbd dlco dobb dobe dobl dobu doce doco docu dod- dodd dode dodo doel dold dole doll dolo dolu doob dood dool doub douc doud doue doul dub- dubb dubc dube dubu duce duco dudd dude dudo dudu duel dulc dule dull dulo dulu duo- duul e-cl ebbc ebbo ebcc ebed ebel eboe ebol eboo ebul ecbc ecbe eccb eccc ecce eccl ecco ecdc ecdl eced eco- ecod ecol ecou eddc edde eddo ede- edel edle edoc edod edou educ eede eedu eeee eele eeoc el-b elbe elbo elbu elcb elce elco elde elec eled elee eleo elle ello ellu elod elue elul eocd eode eole eolo eubc eucd eude eule lbcc lcbc lccc lcce lcdd ldeo le-u lebd lebo lebu lece leco lede ledo leed leel lele lell lelo lelu leoc leod leou leuc leud llcc lldb lldc lleu lllc llll lloc llod lloo llud lob- lobb lobe lobo locc loce loco locu lode loeb loeu lold lole loll lolo loob looc lood looe lool loud loue loul louu lube luce ludd lude ludo lued lule lull lulu o-eo obbo obec obed obel oble oblu oboe obol ocbc occc oce oced ocee oclc ocul odbo oddd oded odel odeo odle odoo odou oec- oecc oedo oeec oele olbo olcc oldb olde ole- oled oleo olle ollo oobe oold oolo oooo oucc oudc oude oued ould oule oulu ouu- ubbe ubbo uble ublo uboc ubod ubud ucbc ucdc ucdd ucel udbc udel udoo uele uell ulbc ulcc ulco ulde uleb ulee uleo ulle ullo ulo- uloc ulul uocc uolc uulu uuoc uuuu