bbbb bbci bbdd bbdo bbin bcbc bccc bcci bcnu bcuc bdbc bddc bdii bdin bibb bibi bibo bicc bici bico bidi bido bidu biin bin- binc bind bini binn bino binu bio- bioc bioi bion biou bnib bnin bnoc bobb bobi bobo bobu boco bocu bodb bodi bodo bodu boi- boid boii boin boiu bonc bond boni bonn bono bonu boob booc bood boon boud boun bubb bubi bubo bubu bucc buci buco bucu budb budd budi budo budu buic buid buin buiu bunb bund buni bunn buno bunu buon c-bo c-cd cbbc cbcc cbcn cbcu cbdb cbdc cbdi cbdn cbdo cbid cbnd ccbc ccbn cccb cccc ccci cccu ccdc ccdi ccdn ccic ccid ccii ccnb ccnc ccni ccnu ccob ccoc ccod ccuc cddb cdic cdii cdio cdnb cdnc cdon cibc cibi cibo cicc cici cico cicu cidc cidi ciid ciii cin- cinc cind cini cino ciob cion ciuc cnbc cnci cnco cndd cnib cnic cnid cobb cobi cobo cobu coco cocu codd codi coin con- conc cond coni conn cono coob cood coon coub coud coun cub- cubb cubi cucc cuci cucn cudi cui- cuin cund cuno cuon d-bo dbcc dcbc dccb dccc dcci dccu dcdb dcii dcio dcon dddd ddoc ddub dibb dibo dici dico didi dido didu diii din- dinc dini dinn dino dinu dioc dion diou dnic dnoc dobb dobi dobu doci doco docu dod- dodd dodi dodo doid doin donc dond doni donn dono doob dood doon doub douc doud doun dub- dubb dubc dubu duco dudd dudo dudu duid duin dunc dunn duno duo- duon i-no ibdo ibid ibon icbc icbd iccb iccc icci iccn icco iccu icdc icdd icnb icnc icoc icod icon icub iddo idic idid idin idio idno idoc idon idub idun iduo iicd iiii iiio iino iioi iioo iiuc inbd inbo incb incd inci inco ind- indc indi indo indu inid inni inno innu ino- inoi inon inou inui inun iobi ioci iod- iodd iodo ioii ioio ioni ionn iono iooi iooo ioun iucc iuiu iuno n-ii nbbc nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn nccu ncdc ncdn ncdu ncid ncnc ncnd ncoc ndcc nddb nddo ndic ndoc nibi nibo nicc nicd nici nico nicu nidd nidi nido niiu nind nini nino nion nioo niou nndb nnnn nobc nobi nobo nobu noci noco nodi nodo nodu noib noid noin noio non- noni nonn nono nonu noo- noob noon nooo noun nubc nubi nuci nucu nudc nudd nudi nudo nuin nunc nunn nuno nuoc nuon obbo obid obin oboi obon ocbc occc occi occn ocin ocon odbo odci oddd oddi odic odin odio odiu odnb odon odoo odou oici oido oiii oion onc- oncd onco ondi ondo onic onni onno onod onon oobi oodi ooid oooo oucc oudc ouii ouin oun- ound ouu- ubbi ubbo ubic ubid ubii uboc ubod ubon ubud ucbc ucci ucdc ucdd ucin ucio ucon udbc uddi udic udid udin udon udoo udun unbd uncc unci unco undi undo uni- unic unii unin unio unni unno unon uocc uuni uuno uuoc uuuu