dddd ddss dfds didi dids didu didy dif- diff difs dify diii diis din- dini dinn dins dinu dis- disd disi diss disy dius diyi diyu dnis dnus dsif dssi dssn dudd duds dudu duff dufu dufy duid duif duin duis dunn duns duny dusi dusy duyn dydd dyf- dyfi dyin dynu dyny dys- dysi dyss dyun fdny ffff ffii ffss ffun fidf fids fiff fifi fiii find fini finn fins fisd fisi fiss fisu fndd fndn fnuf fsfi fssf fudd fudi fuff fufu fuid fund funf funs fusd fusi fuss fusu fuyu fyfi fynd fynn idid idin idis idsf idss idun idus iffy ifid ifis ifni ifns iiii iiis iisd iisi iisu ind- indi inds indu indy infi infs infy inid inis inni inns innu inny inss insu inui inun inus isdn isds isin isis issf issi isss issu issy isus isys iuds iuiu iusd iuss n-ii ndfi ndsf ndsi ndss nfff nfsu nidd nidi nids niff niiu nind nini nins nisd nisi niss nisu niyi nnnn nnss nsdf nsds nsfs nsin nsis nssf nsss nudd nudi nuff nuin nunn nuns nuny nusi nuss nusu nusy nuys nyfd nyny nysf nyss s-ii sdds sdif sdsf sdss sdsu sfss sfsu sidd sidi sids sidy siff sifu sify sind sini sinn sins sinu siny sisd sisi siss sisu sisy siui sius siyi siyu snfu snid snns snsd snsy snus snys ssdd ssdf ssid ssin ssis ssns sssf sssi ssss sudd sudi suds suf- suff sufi sufs sufu suid suin suis sun- sund suni sunn suns sunu suny sus- susd susi suss susu susy suus suyi suyn suyu sydi syds syff syfy syis syn- synd syns synu syny syss syun uddi udds udid udin udny udsd udun uisd undi unds undy unfd uni- unif unii unin unis unni unns uns- unus usdf usds usfi usfs usif usin usis usnu ussf usss ussu ussy usui usun usus uuni uusi uuuu uuyn uyin ydin yidi yids yidu yiff yins yiss yiud ysii yssu yudu yuff yufu yuin yund yuns yuny yuyu yyff yyyy