-hou -ous bbbb bbbs bbdd bbdo bbhs bd-r bddh bdhs bdii bdos bdsd bhhs bhir bhit bhoi bhor bhot bhrt bhur bhut bhuu bibb bibi bibo bibs bidi bido bidr bids bidu bihi bihs bihu biis bio- bioi bios biot biou birb bird biri biro birr birs birt biru bis- bisd bish biso biss bist bisu bitd bith bito bits bitt bitu bobb bobi bobo bobs bobu bodb bodh bodi bodo bods bodu bohd boho bohr bohs boht bohu boi- boid boii bois boit boiu boob bood booh boor boos boot bor- bord borh bori boro borr bors bort boru bosh bosi boso boss bost bosu botb botd both boti boto bots bott boud bouh bour bous bout brdo brds brdt brhs brid brih brio bris brit brob brod broh broo bror bros brot brou brrr brrs brsb brsr brst brud bruh brus brut bsbd bshs bsod bsos bsrd bssd bsts btdt bths btob btor btrt btss bttb btus bubb bubi bubo bubs bubu budb budd budi budo buds budu buhi buho buhr buhs buid buir buis buit buiu bur- burb burd burh buri buro burr burs burt buru bush busi buss bust busu but- buti buto buts butt buus d-bo dbhs dbit dbos dbrs dbss dbtt dbus dddd ddot ddss ddts ddub dhis dhod dhor dhur dibb dibo dibs didi dido dids didu dihu diii diis dior dios diot diou dird dirr dirs dirt dis- disd dish disi diso diss dist dith diti dito dits ditt dius dobb dobi dobs dobu dod- dodd dodi dodo dods dohr dohs doid dois doit doob dood door doos doot dord dori doro dorr dors dort doru dosh dosi doso doss dost dotd doth doti doto dots dott doub doud dour dous dout drhs drib drih drit drob drod droh drot drou drrs drub drui drus drut druu dsdr dshs dsos dsri dsrr dssi dsst dsto dsts dthd dtor dtot dtss dub- dubb dubh dubs dubu dudd dudo duds dudu duhr duhs duhu duid duir duis duit duo- duos duri duro durt duru dush dusi dust duts duur duut h-ii hbbs hbds hbhs hbio hbit hbos hbrs hbss hbtu hdhs hdod hdos hdri hdss hdtt hhds hhhh hhhs hhus hibi hibt hibu hidi hids hihi hiho hiht hiis hiit hiiu hiob hird hiri hiro hirs hirt hiru hisb hisd hish hiss hist hiti hito hits hitt hobo hobs hodh hodi hodr hods hoho hoid hoir hois hoit hood hoor hoos hoot hord hori horo horr hors hort hosh hoss host hotb hotd hoth hoti hoto hotr hots hott hotu houd hour hout hrhs hrib hrid hrit hrob hrod hros hrso hrtb hrud hshs hsob hsts hsur hths htoh httr hubb hubi hubo hubs hudd hudi hudo huds hudu huhi huhs huhu huib huid huir huis huit huor huos huot hurd huri huro hurr hurs hurt huru hush husi huso huss hust huth huti huto huts hutt hutu huub huus ibdo ibid ibis ibos ibot ibrd ibri ibro ibss ibtb ibts ibus iddo idid idio idir idis idos idro idso idss idts idub iduo idus ihdr ihis ihit ihob ihrd ihss ihub ihud ihuo iiht iiii iiio iiis iiit iioi iioo iios iirs iisd iisi iisr iist iisu iitr iitt iobi iod- iodd iodo ioii ioio ioit iooi iooo ioos iori iors ioso iosu ioto ious irdo irds irhs iri- irid irio iris irob irod iroh irri irrs irti irts irus isbd isbt isdb isds ishi ishr ishs isis isit iso- isor isos isri issh issi isso issr isss issu istd isth isti isto istr ists isuh isus itbs itdo iths itis itoh itoi itoo itor itos itou itri itrs itsi itso itsu itto itur iuds iuiu iusd iuss iust obbo obdt obhs obid obis obit oboi obor obos obot obrh obri obro obsd obsr obss obst obtd obts obuh obus odbo oddd oddi odds odio odir odis odiu odoh odoo odor odos odot odou odso odts odtu odur odus ohhi ohho ohhs ohid ohio ohis ohob ohoh ohos ohso ohss ohto ohtu ohus oido oids oiii oios oirt oisd oist oisu oiti oobi oodi ooho oohs ooid oooh oooo ooos oord oort oosi oost ootb oots oous orbb orbi orbo orbs orbu ordo ords ordu orhs ori- orid orio oris orit oro- oror oros orot orri orro orrs orsi orso orsu orth orto orts orub orus osdi oshi osho oshs oshu osii osis osoi osoo osor osos osrd osro ossb ossd ossi osso ossu osti ostr osts otbd otbs otho othr oths otis otit oto- otoh otoo otor otos otro otrs otso otsu otti otto otts ottu otur otus oubs oudh ouds ouii ouir ouis ouit our- ouro ours ourt ousd oust out- outb outh outi outo outs ouu- rbbb rbbr rbbs rbds rbhs rbis rboh rbsd rbss rbst rdhs rdio rdos rdso rhhs rhib rhio rhob rhod rhoh rhos rhus rib- ribo ribs ribu ridd ridi rido rids riho rihs riht riis rios riot riou riri rirs risd rish risi riso riss rist risu rith riti rito rits ritt ritu rius rob- robb robi robo robs robt robu rodd rodi rodo rods rohr rohs rohu roid roio roir rois roit roiu roob rood rooi roor roos root rori roro rort roru rosh rosi roso ross rost roth roti roto rotr rots rott roub roud rouh rous rout rrhs rrrr rsbi rsdd rsds rshd rshs rsid rsis rsos rsts rstu rtdt rths rtss rtts rubb rubi rubs rubu rudd rudi rudo ruds ruhh ruhi ruhr ruhs ruid ruis ruit rurd ruri ruro rurs ruru rush rusi ruso russ rust rusu ruth ruti ruto ruts rutt rutu ruud s-ib s-ii s-os sbbs sbds sbhs sbor sbot sbsd sbsi sbst sbus sdds sdhb sdhd sdhs sdib sdio sdot sdrs sdss sdsu shbs shbt shhh shhs shib shid shih shii shio shir shis shit shiu shod shoo shor shos shot shou shri shrs shts shub shud shui shur shus shut shuu sibi sibo sibs sibu sidd sidh sidi sido sidr sids sihi sihr sihs siht sihu