dddd ddss dfds didi dids didu dif- diff difs diii diis din- dini dinn dins dinu dis- disd disi diss dius dnis dnus dsif dssi dssn dudd duds dudu duff dufu duid duif duin duis dunn duns dusi 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 idid idin idis idsf idss idun idus ifid ifis ifni ifns iiii iiis iisd iisi iisu ind- indi inds indu infi infs inid inis inni inns innu inss insu inui inun inus isdn isds isin isis issf issi isss issu isus iuds iuiu iusd iuss n-ii ndfi ndsf ndsi ndss nfff nfsu nidd nidi nids niff niiu nind nini nins nisd nisi niss nisu nnnn nnss nsdf nsds nsfs nsin nsis nssf nsss nudd nudi nuff nuin nunn nuns nusi nuss nusu s-ii sdds sdif sdsf sdss sdsu sfss sfsu sidd sidi sids siff sifu sind sini sinn sins sinu sisd sisi siss sisu siui sius snfu snid snns snsd snus 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 sus- susd susi suss susu suus uddi udds udid udin udsd udun uisd undi unds unfd uni- unif unii unin unis unni unns uns- unus usdf usds usfi usfs usif usin usis usnu ussf usss ussu usui usun usus uuni uusi uuuu