bbbb bbbs bbdd bbhs bddh bdhs bdii bdsd bhhs bhit bibb bibi bibs bidi bids bihi bihs biis bis- bisd bish biss bist bisy bitd bith bits bitt biys bsbd bshs bssd bsts btdt bths btss bttb byit bysb bysi byss byst bysy byth byts byyd dbhs dbit dbss dbtt dddd ddss ddts dhis dibb dibs diby didi dids didy diii diis dis- disd dish disi diss dist disy dith diti dits ditt diyi dshs dssi dsst dsts dthd dtss dybt dydd dyhb dyhh dyht dyit dys- dysi dyss dyst dyt- dyty h-ii hbbs hbds hbhs hbit hbss hdhs hdss hdtt hdyd hhds hhhh hhhs hibi hibt hidi hids hidy hihi hiht hiis hiit hisb hisd hish hiss hist hiti hits hitt hshs hsts hths hydd hyds hydt i-by ibid ibis ibss ibtb ibts ibyi idid idis idss idts ihis ihit ihss iiht iiii iiis iiit iisd iisi iist iitt isbd isbt isdb isds ishi ishs isis isit issh issi isss issy istd isth isti ists isty isys itbs itby iths itis itsi itsy itty iysh s-ib s-ii sbbs sbds sbhs sbsd sbsi sbst sdds sdhb sdhd sdhs sdib sdss shbs shbt shhh shhs shib shid shih shii shis shit shts shyt sibi sibs siby sidd sidh sidi sids sidy sihi sihs siht siit sisd sish sisi siss sist sisy sit- sitd sith siti sits sitt sity siyi ssby 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 styd stys sydi syds syht syis syss syst syth sytt tbbs tbhs tbit tbst tddb tdhs tdis tdss thbs thds thi- this thsd thss thtb thts thyh thys tibi tibs tidd tids tidy tiht tiit tisb tish tisi tiss tist tith titi tits titt tiyi tsbd tsdb tshb tshi tshs tsid tsis tssi tsst tsts tsys ttbb ttss tttt ttyd ttys tybi tydd tydi tydy tyht tyss tyst tytd tyti tytt tyty ybbs ydyt yhid yhis yhit yhyd yidi yids yiss yist yiti ysby ysii yssh ysyb ytht yyyy