bbbb bbci bbdd bbdo bblb bcbc bccc bcci bccl bcuc bdbc bddc bdii bibb bibi bibl bibo bicc bici bico bidi bido bidu bild bili bill bilo bilu bio- bioc bioi biol biou blcu bldc blic blio blob bloc blod bloo blou blub blud bobb bobi bobo bobu boco bocu bodb bodi bodo bodu boi- boid boii boil boiu bold boli boll bolo bolu boob booc bood bool boud boul bubb bubi bubo bubu bucc buci buco bucu budb budd budi budl budo budu buic buid buiu bulb buld buli bull bulu buol c-bo c-cd cbbc cbcc cbcl cbcu cbdb cbdc cbdi cbdo cbid cblb cblc cbol ccbc cccb cccc ccci cccl cccu ccdc ccdi ccic ccid ccii ccil cclc ccli ccob ccoc ccod ccuc cddb cddl cdic cdii cdio cdli cibc cibi cibo cicc cici cico cicu cidc cidi ciid ciii cili cill cilo ciob ciuc clcd cldc clib clic clii clio clob clod cloo clou club clud cobb cobi cobo cobu coco cocu codd codi codl coil col- colb cold coli coll colo colu coob cood cool coub coud coul cub- cubb cubi cucc cuci cudi cui- cuil culb culc culd cull culo d-bo dbcc dcbc dccb dccc dcci dccl dccu dcdb dcii dcil dcio dcli dddd ddlc ddoc ddub dibb dibo dici dico didi dido didu diii dili dill dilo dioc diol diou dlbd dlco dlib dlii dlil dobb dobi dobl dobu doci doco docu dod- dodd dodi dodo doid doil dold doli doll dolo dolu doob dood dool doub douc doud doul dub- dubb dubc dubu duco dudd dudo dudu duid duil dulc duli dull dulo dulu duo- duul ibdo ibid icbc icbd iccb iccc icci iccl icco iccu icdc icdd icdl icll icoc icod icub iddo idic idid idil idio idli idoc idol idub iduo iicd iiii iiio iioi iioo iiuc ilbc ilcd ilic ilio ill- illd illi illo iloc iloo ilud iobi ioci iod- iodd iodo ioii ioio iolo iooi iooo iucc iuiu lbcc lcbc lccc lcdd ldci libc libo libu lico lidb lidl lido liii lilb lili lill lilo lilu lio- liod llcc lldb lldc lllc llll lloc llod lloo llud lob- lobb lobi lobo locc loci loco locu lodi loic loid loiu lold loli loll lolo loob looc lood lool loud loui loul louu luci ludd ludi ludo luli lull lulu obbo obid oblu oboi obol ocbc occc occi oclc ocul odbo odci oddd oddi odic odio odiu odoo odou oici oido oiii olbo olcc oldb olib olic olid olio olli ollo oobi oodi ooid oold oolo oooo oucc oudc ouii ould oulu ouu- ubbi ubbo ubic ubid ubii ubli ublo uboc ubod ubud ucbc ucci ucdc ucdd ucil ucio udbc uddi udic udid udoo ulbc ulcc ulco ulic ulli ullo ulo- uloc ulul uocc uolc uulu uuoc uuuu