bbbb bbch bbci bbdd bbdo bblb bcbc bccc bcci bccl bchd bdbc bddc bddh bdii bhcc bhdl bhil bhoi bibb bibi bibl bibo bicc bich bici bico bidi bido bihi bihl bild bili bill bilo bio- bioc bioi biol bldc blic blio blob bloc blod bloo bobb bobi bobo boch boco bodb bodh bodi bodo bohd bohl boho boi- boid boii boil bold boli boll bolo boob booc bood booh bool c-bo c-cd cbbc cbcc cbcl cbdb cbdc cbdi cbdo cbhl cbid cblb cblc cbol ccbc cccb cccc ccci cccl ccdc ccdh ccdi cchl ccic ccid ccii ccil cclc ccli ccob ccoc ccod cddb cddl cdic cdii cdio cdli chch chci chdi chib chic chid chih chil chlc choc chod choh choi chol choo cibc cibi cibo cicc cich cici cico cidc cidi ciid ciii cili cill cilo ciob clcd cldc clib clic clii clio clob clod cloo cobb cobh cobi cobo coch coco codd codi codl coho coil col- colb cold coli coll colo coob cood cooh cool d-bo dbcc dcbc dccb dccc dcci dccl dcdb dcii dcil dcio dcli dddd ddlc ddoc dhod dhol dibb dibo dich dici dico didi dido diii dili dill dilo dioc diol dlbd dlco dlib dlii dlil dobb dobi dobl doch doci doco dod- dodd dodi dodo dohc dohl doid doil dold doli doll dolo doob dood dool h-ii hbcd hbic hbio hboc hcbc hccb hccc hcch hchi hdci hdil hdoc hdod hhcl hhhh hi-c hibi hicc hich hico hidi hihc hihi hiho hiil hild hili hill hilo hiob hioc hlod hobo hoch hodh hodi hohl hoho hoid hoil hol- holb holc hold holh holi holl holo hood hool ibdo ibid icbc icbd iccb iccc icci iccl icco icdc icdd icdl ichc ichd ichi icho icll icoc icod iddo idic idid idil idio idli idoc idol ihcc ihob iicd iihl iiii iiio iioi iioo ilbc ilcd ilic ilio ill- illd illi illo iloc iloo iobi ioci iod- iodd iodo ioii ioio iolo iooi iooo lbcc lcbc lccc lcdd lchc ldci lhhh libc libo lich lico lidb lidl lido lih- lihi liho liii lilb lili lill lilo lio- liod llcc lldb lldc lllc llll lloc llod lloo lob- lobb lobh lobi lobo locc loch loci loco lodh lodi lohi loho loic loid lold loli loll lolo loob looc lood lool obbo obid oboi obol ocbc occc occi ochi oclc odbo odci oddd oddi odic odio odoh odoo ohcc ohhi ohho ohid ohio ohob ohoh oici oido oiii olbo olcc oldb oldh olib olic olid olio olli ollo oobi oodi ooho ooid oold oolo oooh oooo