bbbb bbbs bbdd bbhs bddh bdhs bdii bdsd bhhs bhit bhut bhuu bibb bibi bibs bidi bids bidu bihi bihs bihu biis bis- bisd bish biss bist bisu bitd bith bits bitt bitu bsbd bshs bssd bsts btdt bths btss bttb btus bubb bubi bubs bubu budb budd budi buds budu buhi buhs buid buis buit buiu bush busi buss bust busu but- buti buts butt buus dbhs dbit dbss dbtt dbus dddd ddss ddts ddub dhis dibb dibs didi dids didu dihu diii diis dis- disd dish disi diss dist dith diti dits ditt dius dshs dssi dsst dsts dthd dtss dub- dubb dubh dubs dubu dudd duds dudu duhs duhu duid duis duit dush dusi dust duts duut h-ii hbbs hbds hbhs hbit hbss hbtu hdhs hdss hdtt hhds hhhh hhhs hhus hibi hibt hibu hidi hids hihi hiht hiis hiit hiiu hisb hisd hish hiss hist hiti hits hitt hshs hsts hths hubb hubi hubs hudd hudi huds hudu huhi huhs huhu huib huid huis huit hush husi huss hust huth huti huts hutt hutu huub huus ibid ibis ibss ibtb ibts ibus idid idis idss idts idub idus ihis ihit ihss ihub ihud iiht iiii iiis iiit iisd iisi iist iisu iitt isbd isbt isdb isds ishi ishs isis isit issh issi isss issu istd isth isti ists isuh isus itbs iths itis itsi itsu iuds iuiu iusd iuss iust s-ib s-ii sbbs sbds sbhs sbsd sbsi sbst sbus sdds sdhb sdhd sdhs sdib sdss sdsu shbs shbt shhh shhs shib shid shih shii shis shit shiu shts shub shud shui shus shut shuu sibi sibs sibu sidd sidh sidi sids sihi sihs siht sihu siit sisd sish sisi siss sist sisu sit- sitd sith siti sits sitt situ siui sius siut ssdd sshs ssid ssis ssit sssb sssh sssi ssss sstb sstd ssth ssts stbd stbs stds sths stib stid stih stis stit stsi stss sttd stub stud stus stut sub- subb subd subh subi subs sudd sudh sudi suds suhb suhi suid suis suit sus- susd susi suss sust susu suti sutu suus tbbs tbhs tbit tbst tddb tdhs tdis tdss thbs thds thi- this thsd thss thtb thts thud thus tibi tibs tibu tidd tids tiht tihu tiit tiiu tisb tish tisi tiss tist tith titi tits titt titu tsbd tsdb tshb tshi tshs tsid tsis tssi tsst tsts tsui ttbb ttss tttt tubb tubs tubu tudi tudu tuhs tuht tuhu tuis tuit tuiu tusd tush tusi tuss tust tuti tuts tutt tutu ubbi ubid ubii ubis ubit ubud uddi udds udid udsd udts uh-d uhid uhss uhti uhuh uisd uist uits usbs usds usdt ushi ushs ushu usis ussb usss usst ussu ustb usti usts usui usus utid utis utti uttu uusi uuuu