-hou bbbb bbch bbdd bbdo bcbc bccc bchd bcuc bdbc bddc bddh bhcc bhuu bobb bobo bobu boch boco bocu bodb bodh bodo bodu bohd boho bohu boob booc bood booh boud bouh bubb bubo bubu bucc buch buco bucu budb budd budo budu buho c-bo c-cd cbbc cbcc cbcu cbdb cbdc cbdo ccbc cccb cccc cccu ccdc ccdh ccob ccoc ccod ccuc cddb chch choc chod choh choo chou chub chud cobb cobh cobo cobu coch coco cocu codd coho coob cood cooh coub coud cub- cubb cucc d-bo dbcc dcbc dccb dccc dccu dcdb dddd ddoc ddub dhod dobb dobu doch doco docu dod- dodd dodo dohc doob dood doub douc doud dub- dubb dubc dubh dubu duch duco dudd dudo dudu duhu duo- hbcd hboc hcbc hccb hccc hcch hdoc hdod hhhh hobo hoch hodh hoho hood houd hubb hubo huch hucu hudd hudo hudu huhu huub obbo obuh ocbc occc odbo oddd odoh odoo odou ohcc ohho ohob ohoh ooho oooh oooo oucc ouch oudc oudh ouu- ubbo uboc ubod ubud ucbc ucdc ucdd ucho udbc udoh udoo uh-d uhoh uhuh uocc uuoc uuuu