-hou bbbb bbdd bbdo bbrg bd-r bddh bdii bdog bhir bhog bhoi bhor bhur bhuu bibb bibi bibo bidi bido bidr bidu bigb bigd bigg bigo bigu bihi bihu bio- biog bioi biou birb bird birg biri biro birr biru bobb bobi bobo bobu bodb bodh bodi bodo bodu bogd bogg bogh bogi bogo bohd boho bohr bohu boi- boid boii boiu boob bood boog booh boor bor- bord borg borh bori boro borr boru boud bouh bour brdo brid brig brih brio brob brod brog broh broo bror brou brrr brud brug bruh bubb bubi bubo bubu budb budd budg budi budo budu bugg bugh bugi bugo buhi buho buhr buid buir buiu bur- burb burd burg burh buri buro burr buru d-bo dddd ddub dhod dhor dhur dibb dibo didi dido didu digg digi digo dihu diii dior diou dird dirr dobb dobi dobu dod- dodd dodg dodi dodo dog- dogg dogh dogi dogo dogu dohr doid doig doob dood door dord dori doro dorr doru doub doud doug dour drib drih drob drod drog droh drou drub drug drui druu dub- dubb dubh dubu dudd dudo dudu dugu duhr duhu duid duir duo- durg duri duro duru duur gbbo gddb gdor gggg gghg ghib ghoi ghug gibb gibh gidd gidh gidi gido gigg gigi gigo giog gioi gird girg giri giro girr giru giur gobi gobo godi godo gogh gogi gogo gohb good goog gooi goor gorb gord gorg gori goro gorr gou- goud goug gour grbr grib grid grig grob grod grog groh groi groo gror grou grrr grub grug grui grur gubb gubi gubu gudi gudo gudu gugb gugg gugh gugi gugu guhr guib guid gurb gurd gurg gurh guri guro gurr guru h-ii hbio hdod hdri hhgg hhhh hibi hibu hidi high higi hihi hiho hiiu hiob hird hiri hiro hiru hobo hodh hodi hodr hogg hogh hogi hogo hogu hoho hoid hoir hood hoor hord horg hori horo horr houd hour hrib hrid hrob hrod hrud hubb hubi hubo hudd hudi hudo hudu hugg hugh hugi hugo huhi huhu huib huid huir huor hurd huri huro hurr huru huub i-go ibdo ibid ibrd ibri ibro iddo idgo idid idig idio idir idog idro idub iduo igbo ighd igoo igor igri ihdr ihob ihrd ihub ihud ihug ihuo iiii iiio iioi iioo iobi iod- iodd iodo ioii ioio iooi iooo iorg iori ioug irdo iri- irid irig irio irob irod iroh irri iuiu obbo obid oboi obor obrh obri obro obuh odbo oddd oddi odio odir odiu odoh odoo odor odou odur ogb ogdh oggi oghi ogod ogog ogoi ogou ogri ogro ogui ohgr ohhi ohho ohid ohio ohob ohoh oido oigo oiii oobi oodi ooho ooid oooh oooo oord orbb orbi orbo orbu ordo ordu orgo ori- orid orig orio oro- oror orri orro orub oudh ough ouii ouir our- ouro ouu- rbbb rbbr rbgh rboh rdio rgbi rhbg rhib rhio rhob rhod rhog rhoh rhug rib- ribo ribu ridd ridi rido rigg righ rigi rigo rigu riho riou riri rob- robb robi robo robu rodd rodi rodo rogg rogh rogi rogo rohr rohu roid roig roio roir roiu roob rood roog rooi roor rori roro roru roub roud rouh rrrr rubb rubi rubu rudd rudi rudo rugg rugh rugi ruhh ruhi ruhr ruid rurd ruri ruro ruru ruud ubbi ubbo ubid ubii ubir ubod ubud uddi udgb udid udig udir udoh udoo uggo ughi ugod ugri ugro ugur uguu uh-d uhid uhoh uhuh uirr uor- urbi urdu urgh urgi urgu urho urib uriu uro- uroo urrh urri urur uuri uuuu