bbbb bbbs bbdd bblb bbls bdii bdls bdsd bduf bffl bffs bfsi bfts bftt bibb bibi bibl bibs bidi bids bidu biff bifi biis bild bili bill bils bilt bilu bily bis- bisd bisl biss bist bisu bisy bitd bits bitt bitu biys blbt blis blit blls blss blst blts blub blud bluf blus blut bly- blys bsbd bsdl bsff bsfs bssd bsts btdt btss bttb btus bubb bubi bubs bubu budb budd budi budl buds budu budy buff buid buif buis buit buiu bulb buld buli bull buls bult bulu busi buss bust busu busy but- buti buts butt buty buus buyi buyl buys buyu byil byit byld bylt bysb bysi bysl byss byst bysy byts byul byyd dbfs dbit dbls dbss dbtt dbus dddd ddly ddss ddts ddub dfds dfdt dfts dibb dibs diby didi dids didu didy dif- diff difs dify diii diis dilf dili dill dils dily dis- disd disi diss dist disy diti dits ditt dius diyi diyu dlbd dlib dlii dlil dlis dlit dlst dsif dsls dssi dsst dsts dtss dub- dubb dubs dubu duby dudd duds dudu duff dufu dufy duid duif duil duis duit duli dull dult dulu duly dusi dust dusy duts duty duul duut duyl dybt dybu dydd dyf- dyfi dyit dyll dys- dysi dyss dyst dyt- dyty fbis fbsd fbus fdst fdti fdtl ffff ffii ffss fftf fibs fidf fids fiff fifi fift fiii fiil fild fili fill fils fisd fisi fiss fist fisu fiti fits fitt flid flii flis flit flts flub flud fluf flus fluy flyi flys flyt fsfi fssf ft-l ftdi ftfy ftii ftlb ftub fubb fubs fubu fudd fudi fuff fufu fuid fuil fuit fuli full fuls fulu fusd fusi fuss fust fusu futi futs futu fuyl fuyt fuyu fyfi fyld fyli fyti i-by ibfi ibid ibis ibly ibsf ibss ibtb ibtl ibts ibus ibuy ibyi idid idil idis idli idls idly idsf idss idts idub idus idyl ifbb ifby iffy ifid ifil ifis ifit ifsb iiii iiis iiit iisd iisi iist iisu iitt ilis ilit ill- illd illi ills illt illy ilts ilud ilus ilut iluy isbd isbl isbt isdb isds isil isis isit isls isly issf issi isss issu issy istd isti ists isty isus isyl isys itbs itby itif itil itis itll itsf itsi itsu itsy ittf itty iuds iuiu iusd iuss iust iuty lbds ldif ldls lfts libs libu lidb lidl lids liff lifl lift liii liis lilb lili lill lils lilt lilu lily lisd lisi liss list lisu lisy litb litd liti litl lits litt litu lity liuf lius liut liyl liyu llbs lldb llds llll llud lsbu lsds lsid lsts ltbf ltbl ltds ltib ltsi lubs luby ludd ludi luff luft lufu luif luis luit luli lull lulu lusi luss lust luti luts luyi luys luyt lydd lyff lyft lyfy lyif lyit lyly lys- lysi lysl lyss lyst lytt lyyf s-ib s-ii sbbs sbds sbsd sbsi sbst sbus sdds sdib sdif sdls sdlt sdsf sdsl sdss sdsu sfls sfss sfsu sfts sibi sibs sibu siby sidd sidi sids sidy siff sifl sift sifu sify siit sil- sild silf sili sill sils silt silu sisd sisi siss sist sisu sisy sit- sitd siti sits sitt situ sity siui sius siut siyi siyu sl-i slds slft slib slid slit slst slsu slts slub slud slut slys ssby ssdd ssdf ssfl ssid ssis ssit sslt sssb sssf sssi ssss sstb sstd sstl ssts stbd stbs stds stfu stib stid stif stil stis stit stld stlt stsf stsi stss sttd stub stud stuf stul stus stut stuy styd styf styl stys sub- subb subd subi subl subs sudd sudi suds suf- suff sufi sufs sufu suid suis suit sul- suld sulf suli sull sult sulu sus- susd susi suss sust susu susy suti sutu suty suus suyi suyu sydi syds syff syfy syis syl- syli syll syls sylt syss syst sytt tbbs tbil tbit tbst tbyf tddb tdff tdil tdis tdls tdss tfsd tfsi tfss tibi tibs tibu tidd tids tidy tiff tift tiit tiiu tild till tils tilt tily tisb tisi tiss tist titi tits titt titu tiyi tlli tsbd tsdb tsfl tsid tsis tssf tssi tsst tsts tsui tsys ttbb ttff ttss tttt ttul ttyd ttyl ttys tubb tubs tubu tudi tudu tuff tufi tuft tufu tuil tuis tuit tuiu tuli tull tulu tuly tusd tusi tuss tust tuti tutl tuts tutt tutu tuty tuyl tuys tybi tydd tydi tydy tyff tyft tyl- tyld tyll tyss tyst tytd tyti tytt tyty tyus ubbi ubid ubii ubis ubit ubli ubls ubly ubtf ubud uddi udds udid udsd udsl udts uisd uist uits ulft ulli ully ulti ults ultt ulul ulus ulys usbl usbs usdf usdl usds usdt usfi usfl usfs usif usis uslu ussb ussf usss usst ussu ussy ustb usti usts usui usul usus utby utid util utis utsl utti uttu uulu uusi uutf uuuu uyts ybbs ydil ydul ydyt yidi yids yidu yiff yift yild yili yill yilt yiss yist yiti yiud ylds ylid ylli ylls ysby ysii yssu ysyb yubu yudu yuff yuft yufu yuit yuli yuls yulu yust yutu yuty yuyu yyff yyyy