-ly b-u bbb bbi bbl bbs bbt bbu bby bi- bib bii bil bis bit biu biy blb bli bll bls blt blu bly bsb bsi bsl bss bst bsu bsy btb bti btl bts btt btu bty bub bui bul bus but buu buy by- byi byl bys byt byu ibb ibi ibl ibs ibt ibu iby iib iii iil iis iit iiu il- ilb ili ill ils ilt ilu ily is- isb isi isl iss ist isu isy itb iti itl its itt itu ity iu- iub iui ius iut iys iyt iyy lbb lbi lbl lbs lbt lbu lib lii lil lis lit liu llb lli lll lls llt llu lly lsb lsi lsl lss lst lsu ltb lti ltl lts ltt ltu lub lui lul lus lut luu luy lyl lys lyt sbb sbi sbl sbs sbt sbu sby sib sii sil sis sit siu slb sli sll sls slt slu sly ss- ssb ssi ssl sss sst ssu stb sti stl sts stt stu sty sub sui sul sus sut suu suy sy- syb syi syl sys syt syu tbb tbi tbl tbs tbt tbu tib tii til tis tit tiu tiy tli tll tls tlt tlu tsb tsi tsl tss tst tsu tsy ttb tti ttl tts ttt ttu tty tub tui tul tus tut tuu tuy tyl tys tyt ubb ubi ubl ubs ubt ubu uby uib uii uil uis uit uiu ulb uli ull uls ult ulu uly usb usi usl uss ust usu utb uti utl uts utt utu uty uus uut uuu uyi uys uyu ybi ybl ybs yby yii yis yit yli yll yls ylt yly ysb ysi ysl yss yst ysu ysy ytl yts ytt ytu yui yul yus yut yuu yuy yyb yys yyt yyu yyy

bbbb bbbs bblb bbls bibb bibi bibl bibs biis bili bill bils bilt bilu bily bis- bisl biss bist bisu bisy bits bitt bitu biys blbt blis blit blls blss blst blts blub blus blut bly- blys bsts btss bttb btus bubb bubi bubs bubu buis buit buiu bulb buli bull buls bult bulu busi buss bust busu busy but- buti buts butt buty buus buyi buyl buys buyu byil byit bylt bysb bysi bysl byss byst bysy byts byul i-by ibis ibly ibss ibtb ibtl ibts ibus ibuy ibyi iiii iiis iiit iisi iist iisu iitt ilis ilit ill- illi ills illt illy ilts ilus ilut iluy isbl isbt isil isis isit isls isly issi isss issu issy isti ists isty isus isyl isys itbs itby itil itis itll itsi itsu itsy itty iuiu iuss iust iuty libs libu liii liis lilb lili lill lils lilt lilu lily lisi liss list lisu lisy litb liti litl lits litt litu lity lius liut liyl liyu llbs llll lsbu lsts ltbl ltib ltsi lubs luby luis luit luli lull lulu lusi luss lust luti luts luyi luys luyt lyit lyly lys- lysi lysl lyss lyst lytt s-ib s-ii sbbs sbsi sbst sbus sibi sibs sibu siby siit sil- sili sill sils silt silu sisi siss sist sisu sisy sit- siti sits sitt situ sity siui sius siut siyi siyu sl-i slib slit slst slsu slts slub slut slys ssby ssis ssit sslt sssb sssi ssss sstb sstl ssts stbs stib stil stis stit stlt stsi stss stub stul stus stut stuy styl stys sub- subb subi subl subs suis suit sul- suli sull sult sulu sus- susi suss sust susu susy suti sutu suty suus suyi suyu syis syl- syli syll syls sylt syss syst sytt tbbs tbil tbit tbst tibi tibs tibu tiit tiiu till tils tilt tily tisb tisi tiss tist titi tits titt titu tiyi tlli tsis tssi tsst tsts tsui tsys ttbb ttss tttt ttul ttyl ttys tubb tubs tubu tuil tuis tuit tuiu tuli tull tulu tuly tusi tuss tust tuti tutl tuts tutt tutu tuty tuyl tuys tybi tyl- tyll tyss tyst tyti tytt tyty tyus ubbi ubii ubis ubit ubli ubls ubly uist uits ulli ully ulti ults ultt ulul ulus ulys usbl usbs usis uslu ussb usss usst ussu ussy ustb usti usts usui usul usus utby util utis utsl utti uttu uulu uusi uuuu uyts ybbs yili yill yilt yiss yist yiti ylli ylls ysby ysii yssu ysyb yubu yuit yuli yuls yulu yust yutu yuty yuyu yyyy

-itis bbuss bibbs bibby bibis bibus bilbi bilby bili- bilis billi bills billu billy bilsi bilut bilyi bisby bissy bitis bitit bitly bitsy bitti bitts bitty bityl bliss blist blits blitt blubs blytt btstu bubby bubsy built buist buisy bulb- bulbi bulbs bulby bulis buliu bull- bulli bulls bully bulti bulul bulus bulut busby bussu bussy busti busts busty busut busuu butis butit butts butty butut butyl buyit buysy by-by bybib bybus bylly byssi ibill ibity iblis iiiii iisys iitti ilisu ility illit illui illus iltis ilulu is-is isbul isbut isili isill isisi isiti isits isitt issus issuu istlt istus isuli isuus isyss itbit itisi itsit itsus ittti itu-t itutu iuliu iulus iyiyi l-sit libby libis libus libys liisi lilis liliu lilli lilly lilts lilus lilyb lilys lisis liss- lissu lissy lists listy litis litsi littb litti litui liuli lubys lulli lulls lully lulul lulus lusby lusis lussy lusti lusts lusty lusus lutby lutsi lutsu lutui lysi- lysis lysus lysyl lyuli s-bus s-iii sibiu sibli sibsu sibul sibut sibyl siili silli sills silly silts silty silyl sisil sisis sisli sissi sissu sissy sists sitby sitit sitsi sitti situs siusi siutu siuyu slily sliss slits slitu slsts slubs sluis sluit sluss sluts slyly ssbul sssss stib- stibb stilb still stils stilt stitt stu-i stubs stull stult stuss styl- styli styll styly subbu subby subis subli subss subst suibu suist suits suity sulby sulis sulli sulls sully sulus sulut susil sussy susus sutil suttu sutty sybil sybyl sylis sylls systs tbill tbtbt tbutt ti-ti tibbi tibbs tibbu tilby tilli tills tilly tilsi tilst tilts tilty tisis tiss- tissi tissu tissy tisul titii titil titis titli titly titti