btor btrt btry bttb bubb bubi bubo bubu budb budd budi budo budu budy buff bufo bufr buhi buho buhr buhy buid buif buir buit buiu buoy bur- burb burd burh buri buro burr burt buru bury but- buti buto butt buty buyi buyo buyu byit byob byod byoi byrd byrt byth byyd d-bo dbfo dbit dboy dbtt dddd ddot ddry ddub dfdt dfrf dfri dftr dhod dhor dhur dibb dibo diby didi dido didu didy dif- diff dify dihu diii dior diot diou dird dirr dirt dith diti dito ditt diyi diyu dobb dobi dobu doby dod- dodd dodi dodo dody doff dohr doid doit doob dood doof door doot dord dorf dori doro dorr dort doru dory dotd doth doti doto dott doty doub doud douf dour dout douy doyo drib drif drih drit drob drod drof droh drot drou droy drub drui drut druu dry- dryf dthd dtor dtot dub- dubb dubh dubu duby dudd dudo dudu duff dufu dufy duhr duhu duhy duid duif duir duit duo- duri duro durt duru dury duty duur duut duyr dybt dybu dydd dyf- dyfi dyhb dyhh dyhr dyht dyio dyit dyo- dyoo dyor dyot dyou dyr- dyrb dyrf dyri dyro dyrt dyru dyt- dyty dyur dyyr fdot fdry fdti ffff ffii ffrr fftf fhit fidf fido fiff fifi fifo fift fiii fior firy fiti fitt fobt fody fofo fohr foid food foof foot for- forb ford fori foro forr fort foth foti foto fott foty foud four fout foyt frib frid frio frit frob froh frot frou frub ftdi ftfy ftii ftub fubb fubu fudd fudi fuff fufu fuid fuir fuit fuor fur- furi furo furr furt fury futi futo futu fuyt fuyu fyfi fyrd fyry fyti h-ii hbio hbit hbtu hdif hdod hdri hdtt hdyd hhhh hhof hibi hibt hibu hidi hidy hiff hifh hifi hifo hifr hihi hiho hiht hiit hiiu hiob hird hirf hiri hiro hirt hiru hiti hito hitt hiyo hobo hoby hodh hodi hodr hody hoff hofu hoho hoid hoif hoir hoit hood hoof hoor hoot hord hori horo horr hort hory hotb hotd hoth hoti hoto hotr hott hotu houd houf hour hout hoyi hoyt hrib hrid hrit hrob hrod hrtb hrud hryb htoh httr hubb hubi hubo huby hudd hudi hudo hudu huff hufu huhi huhu huib huid huif huir huit huor huot hurd huri huro hurr hurt huru hury huth huti huto hutt hutu huty huub huyd huyr huyt hybo hydd hydr hydt hyfr hyo- hyrd hyrt i-by ibdo ibfi ibid ibot ibrd ibri ibro ibtb ibuy ibyi iddo idid idio idir idrf idro idub iduo ifbb ifby iffy ifht ifid ifit ifor ifrb ifrf ifri ifto ifyo ihdr ihit ihob ihrd ihub ihud ihuo iiht iiii iiio iiit iioi iioo iitr iitt iobi ioby iod- iodd iodo ioii ioio ioit ioof iooi iooo iori iotf ioto irby irdo irfu iri- irid irio iriy irob irod iroh irri irtf irti itby itdo itif itof itoh itoi itoo itor itou itrf itri itry ittf itto itty itur iuiu iuty obbo obby obdt obid obit oboi obor obot oboy obrh obri obro obtd obuh odbo oddd oddi oddy odio odir odiu odoh odoo odor odot odou odry odtu odur odyr ofdr off- offh offo offr offu offy ofid ofit ofor ohhi ohho ohid ohif ohio ohob ohoh ohto ohtu ohyo oido oiii oirt oiry oiti oobi ooby oodi ooff oofy ooho ooid oooh oooo oord oort oory ootb ooty orbb orbi orbo orbu orby ordo ordu orff orfi orfu ori- orid orif orio orit oro- orof oror orot oroy orri orro orry orth orto orub otbd otho othr otif otit oto- otof otoh otoo otor otoy otro otry otti otto ottu otur otyr oudh ouff ouii ouir ouit our- ouro ourt out- outb outh outi outo outy ouu- ouyr oyou oyri rbbb rbbr rboh rdio rfdi rfid rhib rhio rhob rhod rhoh rhyd rib- ribo ribu riby ridd ridi rido riff rift rifu riho riht riif riot riou riri rith riti rito ritt ritu riyf riyo rob- robb robi robo robt robu roby rodd rodi rodo rody roff rofo rohr rohu rohy roid roif roio roir roit roiu roob rood roof rooi roor root rori roro rort roru rory roth roti roto rotr rott roty roub roud rouf rouh rout rouy royd royt rrif rrrr rtbf rtdt rtfb rubb rubi rubu ruby rudd rudi rudo rudy ruff rufo ruft ruhh ruhi ruhr ruid ruif ruit ruoy rurd ruri ruro ruru ruth ruti ruto rutt rutu ruty ruud ruyd ruyi rydy ryff ryft ryhb ryif ryob ryoh ryot ryth rytt ryyf ryyt tbit tbrb tbyf tddb tdff tdor tdri tfot thdr thi- thif thio thir thof thoo thor thot thou thri thro thru thtb thtr thud thur thuy thyf thyh tibi tibu tidd tidy tiff tifo tift tiht tihu tiit tiiu tiou tirb tird tiri tiro tirr tiru tiry tith titi tito titt titu tiyi tiyo to-y tobi tobo tobt tobu toby todd todi todo todt todu tody toff tofi tofo toft tofu tohi toho tohu toid toit tood toof tooh toor toot tord torf tori toro torr tort toru tory totd toth toti toto totr tott toty touh toui tour tout toyb toyo toyt trfd trfr tri- trib trif trio trit trod troi troo trot trou troy trtr trub trud trut truu try- tryb tryo ttbb ttff ttoy tttt ttyd tubb tubo tubr tubu tudi tudu tuff tufi tufo tuft tufu tuht tuhu tuit tuiu tuor turb turd turf turi turo turr turt turu tury tuti tuto tutt tutu tuty tuuo tybi tybo tydd tydi tydy tyff tyft tyht tyir tyr- tyrf tyro tyrr tytd tyti tyto tytt tyty ubbi ubbo ubid ubii ubir ubit ubod ubtf ubud uddi udid udir udoh udoo udot uh-d uhid uhoh uhry uhti uhuh uirr uofo uor- urbi urdu urdy urff urfi urft urho urib urif uriu uro- uroo urrh urri urry urth urur urut utby utfo utid utor utoy utri utti utto uttu uuri uutf uuuu