-hou bbbb bhor bhot bhrt bhur bhut bhuu bmnh bnor bnrr bntm bobb bobo bobu bohm bohn boho bohr boht bohu bomb bomt bomu bonn bono bont bonu boob booh boom boon boor boot bor- borh borm born boro borr bort boru botb both botn boto bott bouh boum boun bour bout brno brob broh brom bron broo bror brot brou brrm brrr bruh brum brun brut btob btor btrt bttb bubb bubo bubu buho buhr bum- bumb bunb bunn buno bunt bunu buon bur- burb burh burm burn buro burr burt buru but- buto butt hbtu hhhh hmhb hmmm hmun hntb hntr hobo hohm hohn hoho hom- homo homr homu hono hont honu hoom hoon hoor hoot horn horo horr hort hotb hoth hotm hoto hotr hott hotu hour hout hrob hron hrtb hrun htoh httm httr hubb hubo huhn huhu humh humm humo hunh hunt huon huor huot hurn huro hurr hurt huru huth huto hutt hutu huub mbou mhmm mhmr mhor mmhm mmmh mmmm mmor mmun mnbb mntb mntn mobb mobo mohm mohn moho mohr moht mohu momo momu mon- monn mono mont monu moob moon moor moot morb morn moro mort moru motb moth motm moto mott motu moun mour mout mrbb mrbm mron mrtm mrtn mrtt mtbo mtnt mtom mtor mtrr mttr mubo muhr muhu mumm mumo mumu munn muno munt munu muon murn muro murr murt muru muth muto mutt mutu muut nbbo nbhm nhnn nhon nmnh nmnt nmon nmtb nnmt nnnn nnot nntn nobm nobo nobu nohn noho noht nom- nomo nomu non- nonn nono nont nonu noo- noob noon nooo noor noot nor- norb norm norn noro norr nort not- noth noto nott nouh noun nour nout nron nthm nthn ntht ntnu ntru nttm ntto nttr numb numm numt numu nunn nuno nunt nuon nurn nurr nurt nuru nuth nutt nutu obbo obon obor obot obrh obro obuh ohho ohno ohob ohoh ohrn ohto ohtu ohum ombo ombu omn- omo- omon omoo omor omro omuo onno onon onor ont- onto onur onut ooho oont oooh oooo oort ootb orbb orbo orbu ormn ormo orno oro- orom oron oror orot orro orth orto orub orum otho othr oto- otoh oton otoo otor otro otto ottu otur oun- our- ourn ouro ourt out- outb outh outo ouu- rbbb rbbr rboh rhob rhoh rhon rhum rhun rmon rmtu rnbr rnnt rnot rnut rob- robb robo robt robu rohm rohn rohr rohu romb romm romo rono ront roob room roon roor root roro rort roru roth rotn roto rotr rott roub rouh roum roun rout rrrr rrum rrun rubb rubu ruhh ruhm ruhn ruhr rumb rumm rumo rumt runn runo runt ruro ruru ruth ruto rutt rutu ruun t-mo tbrb thmb thmt thnt thom thon thoo thor thot thou thro thru thtb thtr thum thun thur tmbr tmnt tmou tmro tmtt tnut tobo tobt tobu toho tohu tomb tomm tomo tomt tonb tonh tonn tono tonu tooh toom toon toor toot torm torn toro torr tort toru toth totm toto totr tott touh toum toun tour tout trmb trmu trno trom tron troo trot trou trtr trub trun trut truu ttbb tton tttt tubb tubo tubr tubu tuht tuhu tumb tumu tunb tunn tuno tunu tuor turb turm turn turo turr turt turu tuto tutt tutu tuum tuuo ubbo ubon uhno uhoh uhuh umb- umbo ummo umno umor umut unmr unno unon unro untb unth unto unum unut uomo uor- urho uro- urom uroo urrh urth urum urun urur urut utmb utor utto uttu uuno uuuu