-hou bbbb bbdd bbdo bbin bd-r bddh bdii bdin bhir bhoi bhor bhur bhuu bibb bibi bibo bidi bido bidr bidu bihi bihu biin bin- bind binh bini binn bino binu bio- bioi bion biou birb bird biri birn biro birr biru bnib bnin bnor bnrr bobb bobi bobo bobu bodb bodh bodi bodo bodu bohd bohn boho bohr bohu boi- boid boii boin boiu bond boni bonn bono bonu boob bood booh boon boor bor- bord borh bori born boro borr boru boud bouh boun bour brdo brid brih brin brio brno brob brod broh bron broo bror brou brrr brud bruh brun bubb bubi bubo bubu budb budd budi budo budu buhi buho buhr buid buin buir buiu bunb bund buni bunn buno bunu buon bur- burb burd burh buri burn buro burr buru d-bo dbrn dddd ddub dhin dhod dhor dhrn dhun dhur dibb dibo didi dido didu dihu diii din- dinh dini dinn dino dinu dion dior diou dird dirr dobb dobi dobu dod- dodd dodi dodo dohr doid doin dond doni donn dono donr doob dood doon door dord dori dorn doro dorr doru doub doud doun dour drib drih drin drnh drno drob drod droh dron drou drub drui druu dub- dubb dubh dubu dudd dudo dudu duhr duhu duid duin duir dunn duno duo- duon duri durn duro duru duur h-ii hbio hdod hdri hhhh hibi hibu hidi hihi hiho hiiu hind hinn hino hiob hird hiri hirn hiro hiru hndd hnoi hobo hodh hodi hodr hohn hoho hoid hoir hond honi hono honu hood hoon hoor hord hori horn horo horr houd hour hrdn hrib hrid hrob hrod hron hrud hrun hubb hubi hubo hudd hudi hudo hudu huhi huhn huhu huib huid huir hund hunh huni huon huor hurd huri hurn huro hurr huru huub i-no ibdo ibid ibon ibrd ibri ibro iddo idid idin idio idir idno idon idro idub idun iduo ihdr ihob ihrd ihub ihud ihuo iiii iiio iino iioi iioo inbd inbo ind- indi indo indu inhd inid inni inno innr innu ino- inoi inon inor inou inri inro inui inun iobi iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iori ioun irdo iri- irid irin irio irob irod iroh iron irri irun iuiu iuno n-ii nbbo nbhd nddb nddo ndor ndri nhnn nhon nibi nibo nidd nidi nido niir niiu nind ninh nini nino nioh nion nioo niou niro niru niur nndb nnnn nobi nobo nobu nodi nodo nodu nohn noho noib noid noin noio noir non- noni nonn nono nonu noo- noob noon nooo noor nor- norb nord nori norn noro norr nouh noun nour nron nrrd nubi nudd nudi nudo nuhi nuin nunn nuno nuon nurd nuri nurn nurr nuru obbo obid obin oboi obon obor obrh obri obro obuh odbo oddd oddi odin odio odir odiu odnb odoh odon odoo odor odou odur ohhi ohho ohid ohio ohno ohob ohoh ohrn oido oiii oion ondi ondo onir onni onno onod onon onor onur oobi oodi ooho ooid oooh oooo oord orbb orbi orbo orbu ordn ordo ordu ori- orid orin orio orni orno oro- oron oror orri orro orub oudh ouii ouin ouir oun- ound our- ourn ouro ouu- rbbb rbbr rboh rdio rhib rhin rhio rhob rhod rhoh rhon rhun rib- ribo ribu ridd ridi rido riho riin rind rinn rino rion riou riri rnbr rnin rnod rob- robb robi robo robu rodd rodi rodo rohn rohr rohu roid roin roio roir roiu rond roni rono roob rood rooi roon roor rori roro roru roub roud rouh roun rrrr rrun rubb rubi rubu rudd rudi rudo ruhh ruhi ruhn ruhr ruid ruin rund runi runn runo rurd ruri ruro ruru ruud ruun ubbi ubbo ubid ubii ubir ubod ubon ubud uddi udid udin udir udoh udon udoo udun uh-d uhid uhno uhoh uhuh uirr unbd undi undo uni- unii unin unio unir unni unno unon unro uor- urbi urdu urho urib urin uriu urni uro- uroo urrh urri urun urur uuni uuno uuri uuuu