bbbb bbbs bbdd bbin bd-r bdii bdin bdry bdsd bibb bibi bibs bidi bidr bids bidu biin biis bin- bind bini binn bins bint binu biny birb bird biri birn birr birs birt biru biry bis- bisd biss bist bisu bisy bitd bits bitt bitu biys bnib bnin bnrr bnss brds brdt brdy brid brin bris brit brns brrr brrs brsb brsr brst brud brun brus brut bry- bryd bryn bsbd bsin bsnd bsns bsrd bssd bsts btdt btrt btry btss bttb btus bubb bubi bubs bubu budb budd budi buds budu budy buid buin buir buis buit buiu bunb bund buni bunn buns bunt bunu bur- burb burd buri burn burr burs burt buru bury busi buss bust busu busy but- buti buts butt buty buus buyi buys buyu byit bynd byrd byrn byrt bysb bysi byss byst bysy byts byun byyd dbit dbrn dbrs dbss dbtt dbus dddd ddry ddss ddts ddub dibb dibs diby didi dids didu didy diii diis din- dini dinn dins dint dinu dird dirr dirs dirt dis- disd disi diss dist disy diti dits ditt dius diyi diyu dnis dntt dnus dnut drib drin drit drrs drub drui drus drut druu dry- drys dsdr dsri dsrr dssi dssn dsst dstn dsts dtnb dtss dub- dubb dubs dubu duby dudd duds dudu duid duin duir duis duit dunn duns dunt duny duri durn durt duru dury dusi dust dusy duts duty duur duut duyn duyr dybn dybt dybu dydd dyin dyit dynt dynu dyny dyr- dyrb dyri dyrt dyru dys- dysi dysr dyss dyst dyt- dyty dyun dyur dyyr i-by ibid ibis ibns ibrd ibri ibsn ibss ibtb ibts ibus ibuy ibyi idid idin idir idis idss idts idub idun idus iiii iiis iiit iirs iisd iisi iisr iist iisu iitr iitt inbd inby ind- indi inds indu indy inid inis init inni innr inns innu inny inri inrs inss inst insu intd inti intn intr ints intu inui inun inus irby irds iri- irid irin iris iriy irri irrs irti irts irun irus iryn isbd isbn isbt isdb isdn isds isin isis isit isnt isri issi issr isss issu issy istd isti istr ists isty isus isys itbs itby itin itis itri itrs itry itsi itsu itsy itty itur iuds iuiu iusd iuss iust iuty n-ii nbti nbty nddb ndnt ndri ndry ndsi ndss ndut nibi nibs nidd nidi nids niir niit niiu nind nini nins nirs nirt niru nisd nisi niss nist nisu nitb niti nitr nits nity niur niyi nndb nnit nnnn nnss nntn nrds nrrd nrts nsds nsdt nsin nsis nsnr nsrd nssb nssr nsss nstd nsts nstu nsub ntds ntis ntnd ntnu ntru ntsb ntss ntsu nttr ntui nubi nubs nuby nudd nudi nuin nuit nunn nuns nunt nuny nurd nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nusy nuts nutt nutu nuys nyit nynt nyny nyrb nyss nyst nytb rbbb rbbr rbbs rbds rbis rbsd rbss rbst rib- ribs ribu riby ridd ridi rids riin riis rind rinn riny riri rirs risd risi riss rist risu riti rits ritt ritu rius rnbr rnds rnin rnnt rntd rnut rrrr rrun rsbi rsdd rsds rsid rsis rsnn rsnr rsts rstu rtdt rtnd rtns rtss rtts rubb rubi rubs rubu ruby rudd rudi ruds rudy ruid ruin ruis ruit rund runi runn runs runt runy rurd ruri rurs ruru rusi russ rust rusu rusy ruti ruts rutt rutu ruty ruud ruun ruyd ruyi ruys rydy ryis rynd rynn rynt rysy rytt ryun ryyt s-ib s-ii sbbs sbds sbsd sbsi sbst sbtn sbus sdds sdib sdrs sdry sdss sdsu sibi sibs sibu siby sidd sidi sidr sids sidy siit sind sini sinn sins sint sinu siny siri sirr sirs sirt siru sisd sisi siss sist sisu sisy sit- sitd siti sitn sits sitt situ sity siui sius siut siyi siyu snib snid snir snit snns snrs snsd snsy sntr snub snur snus snys srby srib sris srni srnn srsd srtr srub ssbn ssbr ssby ssdd ssid ssin ssis ssit ssns ssri ssrs sssb sssi ssss sstb sstd ssts stbd stbs stds stib stid stir stis stit stnd stnn stnr stns strd stri strn strs stru stry stsi stss sttd sttr stub stud stun stur stus stut stuy styd styr stys sub- subb subd subi subs sudd sudi suds suid suin suir suis suit sun- sunb sund suni sunn suns sunt sunu suny sur- surd suri surn surr surs surt suru sury sus- susd susi suss sust susu susy suti sutu suty suus suyi suyn suyr suyu sydi syds syis syn- synd syns synu syny syrs syrt syry syss syst sytt syun tbbs tbit tbrb tbst tddb tdis tdri tdss tibi tibs tibu tidd tids tidy tiit tiiu tind tini tinn tins tint tinu tiny tirb tird tiri tirr tirs tiru tiry tisb tisi tiss tist titi tits titt titu tiyi tiyn tndd tnts tnut tri- trib trin tris trit trsd trsi trst trtr trub trud trun trus trut truu try- tryb trys tsbd tsdb tsid tsin tsis tssi tssr tsst tsts tsui tsun tsys ttbb ttss tttt ttyd ttys tubb tubr tubs tubu tudi tudu tuin tuis tuit tuiu tunb tund tuni tunn tuns tunu tuny turb turd turi turn turr turs turt turu tury tusd tusi tuss tust tuti tuts tutt tutu tuty tuyn tuys tybi tydd tydi tydy tyin tyir tynd tynt tyny tyr- tyrr tyss tyst tytd tyti tytt tyty tyus tyyn ubbi ubid ubii ubir ubis ubit ubud uddi udds udid udin udir udny udsd udts udun uint uirr uisd uist uits unbd undi unds undy uni- unii unin unir unis unit unni unns unrs uns- unst untb unts unty unus unut urbi urbs urds urdu urdy urib urin uris uriu urni urns urri urry ursi urss ursu ursy urts urun urur urus urut uryn usbr usbs usds usdt usin usis usnr usnu ussb ussr usss usst ussu ussy ustb usti usts usui usun usus utby utid utin utis utri utti uttu uuni uuri uusi uuuu