dddd ddry ddss ddts dhis didi dids didy diii diis dird dirr dirs dirt dis- disd dish disi diss dist disy dith diti dits ditt diyi drhs drih drit drrs dry- drys dsdr dshs dsri dsrr dssi dsst dsts dthd dtss dydd dyhh dyhr dyht dyit dyr- dyri dyrt dys- dysi dysr dyss dyst dyt- dyty dyyr h-ii hdhs hdri hdss hdtt hdyd hhds hhhh hhhs hidi hids hidy hihi hiht hiis hiit hird hiri hirs hirt hisd hish hiss hist hiti hits hitt hrhs hrid hrit hshs hsts hths httr hydd hydr hyds hydt hyrd hyrt idid idir idis idss idts ihdr ihis ihit ihrd ihss iiht iiii iiis iiit iirs iisd iisi iisr iist iitr iitt irds irhs iri- irid iris iriy irri irrs irti irts isds ishi ishr ishs isis isit isri issh issi issr isss issy istd isth isti istr ists isty isys iths itis itri itrs itry itsi itsy itty iysh rdhs rhhs rhyd rhys ridd ridi rids rihs riht riis riri rirs risd rish risi riss rist rith riti rits ritt rrhs rrrr rsdd rsds rshd rshs rsid rsis rsts rtdt rths rtss rtts rydy ryis rysh rysy ryth rytt ryyt s-ii sdds sdhd sdhs sdrs sdry sdss shhh shhs shid shih shii shir shis shit shri shrs shts shyt sidd sidh sidi sidr sids sidy sihi sihr sihs siht siit siri sirr sirs sirt sisd sish sisi siss sist sisy sit- sitd sith siti sits sitt sity siyi srhs sris srsd srtr ssdd sshs ssid ssis ssit ssri ssrs sssh sssi ssss sstd ssth ssts stds sths stid stih stir stis stit strd stri strs stry stsi stss sttd sttr styd styr stys sydi syds syht syis syrs syrt syry syss syst syth sytt tdhs tdis tdri tdss thdr thds thi- thir this thri thsd thsr thss thtr thts thyh thys tidd tids tidy tiht tiit tird tiri tirr tirs tiry tish tisi tiss tist tith titi tits titt tiyi trhs tri- tris trit trsd trsi trst trtr try- trys tshi tshs tsid tsis tssi tssr tsst tsts tsys ttss tttt ttyd ttys tydd tydi tydy tyht tyir tyr- tyrr tyss tyst tytd tyti tytt tyty ydyt yhid yhis yhit yhyd yidi yids yird yirr yiss yist yiti ysii yssh ytht yyyy