bbbb bbch bbci bbdd bblb bcbc bccc bcci bccl bchd bcuc bdbc bddc bddh bdii bhcc bhdl bhil bhuu bibb bibi bibl bicc bich bici bidi bidu bihi bihl bihu bild bili bill bilu blcu bldc blic blub blud bubb bubi bubu bucc buch buci bucu budb budd budi budl budu buhi buhl buic buid buiu bulb buld buli bull bulu c-cd cbbc cbcc cbcl cbcu cbdb cbdc cbdi cbhl cbid cblb cblc ccbc cccb cccc ccci cccl cccu ccdc ccdh ccdi cchl ccic ccid ccii ccil cclc ccli ccuc cddb cddl cdic cdii cdli chch chci chdi chib chic chid chih chil chiu chlc chub chud chui chul cibc cibi cicc cich cici cicu cidc cidi ciid ciii cili cill ciuc clcd cldc clib clic clii club clud cluh cub- cubb cubi cucc cuci cudi cui- cuil culb culc culd cull dbcc dcbc dccb dccc dcci dccl dccu dcdb dcii dcil dcli dddd ddlc ddub dhul dibb dich dici didi didu dihu diii dili dill dlbd dlib dlii dlil dub- dubb dubc dubh dubu duch dudd dudu duhl duhu duid duil dulc duli dull dulu duul h-ii hbcd hbic hcbc hccb hccc hcch hchi hdci hdil hhcl hhhh hi-c hibi hibu hicc hich hidi hihc hihi hiil hiiu hild hili hill hilu hlul hubb hubi hubl huch hucu hudd hudi hudl hudu huhi huhu huib huid huil hulc huld huli hull hulu huub ibid icbc icbd iccb iccc icci iccl iccu icdc icdd icdl ichc ichd ichi ichu icll icub idic idid idil idli idub ihcc ihub ihud iicd iihl iiii iiuc ilbc ilcd ilic ill- illd illi ilud iucc iuiu lbcc lcbc lccc lcdd lchc ldci lhhh libc libu lich lidb lidl lih- lihi liii lilb lili lill lilu llcc lldb lldc lllc llll llud luch luci ludd ludi luhi luhu luli lull lulu ubbi ubic ubid ubii ubli ubud ucbc ucci ucdc ucdd uchi ucil udbc uddi udic udid uh-d uhcl uhid uhuh ulbc ulcc ulch ulic ulli ulul uulu uuuu