bbbb bbbs bbdd bblb bbls bd-r bdii bdls bdry bdsd bibb bibi bibl bibs bidi bidr bids biis bild bili bill bils bilt bily birb bird biri birl birr birs birt biry bis- bisd bisl biss bist bisy bitd bits bitt biys blbt bldr blir blis blit blls blss blst blts bly- blys brds brdt brdy brid bril bris brit brls brrr brrs brsb brsr brst bry- bryd bsbd bsdl bsrd bssd bsts btdt btrt btry btss bttb byil byit byld bylt byrd byrt bysb bysi bysl byss byst bysy byts byyd dbit dbls dbrs dbss dbtt dddd ddly ddry ddss ddts dibb dibs diby didi dids didy diii diis dili dill dils dily dird dirl dirr dirs dirt dis- disd disi diss dist disy diti dits ditt diyi dlbd dlib dlii dlil dlis dlit dlrs dlst drib dril drit drrs dry- drys dsdr dsls dsri dsrr dssi dsst dsts dtrl dtss dybt dydd dyit dyll dyr- dyrb dyri dyrt dys- dysi dysr dyss dyst dyt- dyty dyyr i-by ibid ibis ibly ibrd ibri ibss ibtb ibtl ibts ibyi idid idil idir idis idli idls idly idss idts idyl iiii iiis iiit iirs iisd iisi iisr iist iitr iitt ilir ilis ilit ill- illd illi ills illt illy ilts irby irds iri- irid iril iris iriy irlb irri irrs irti irts isbd isbl isbt isdb isds isil isis isit isls isly isri issi issr isss issy istd isti istr ists isty isyl isys itbs itby itil itis itll itri itrs itry itsi itsy itty lbds lblr lbrs lbrt ldls ldrs ldry libr libs lidb lidl lids liii liir liis lilb lili lill lils lilt lily lird liri lirl lirr lirs lirt liry lisd lisi liss list lisy litb litd liti litl litr lits litt lity liyl llbs lldb llds llll llyr lrdd lrds lrrr lrry lrst lrts ls-r lsds lsid lssr lsts ltbl ltds ltib ltrs ltsi ltsr lttr ltyr lydd lyit lyly lys- lysi lysl lyss lyst lytt rbbb rbbr rbbs rbds rbis rbsd rbsl rbss rbst rib- ribs riby ridd ridi rids riis rill rily riri rirs risd risi riss rist riti ritl rits ritt rlds rldt rlls rlys rrrr rsbi rsdd rsdl rsds rsid rsis rssl rsts rtdt rtls rtlt rtss rtts rydy ryis rysy rytt ryyt s-ib s-ii sbbs sbds sbsd sbsi sbst sdds sdib sdls sdlt sdrs sdry sdsl sdss sibi sibs siby sidd sidi sidr sids sidy siit sil- sild sili sill sils silt siri sirr sirs sirt sisd sisi siss sist sisy sit- sitd siti sits sitt sity siyi sl-i slds slib slid slir slit slrs slst slts slys srby srib sris srsd srtr ssbr ssby ssdd ssid ssis ssit sslt ssri ssrl ssrs sssb sssi ssss sstb sstd sstl ssts stbd stbs stds stib stid stil stir stis stit stld stlt strd stri strs stry stsi stss sttd sttr styd styl styr stys sydi syds syis syl- syli syll syls sylt syrs syrt syry syss syst sytt tbbs tbil tbit tbrb tbst tddb tdil tdis tdls tdri tdss tibi tibs tidd tids tidy tiit tild till tilr tils tilt tily tirb tird tiri tirl tirr tirs tiry tisb tisi tiss tist titi tits titt tiyi tldr tlli tlrs tri- trib tril tris trit trsd trsi trst trtr try- tryb trys tsbd tsdb tsid tsis tssi tssr tsst tsts tsys ttbb ttss tttt ttyd ttyl ttys tybi tydd tydi tydy tyir tyl- tyld tyll tyr- tyrl tyrr tyss tyst tytd tyti tytt tyty ybbs ybry ydil ydyt yidi yids yild yili yill yilt yirb yird yirr yiss yist yiti ylds ylid ylli ylls yrly ysby ysii ysyb yyyy