dddd ddss dfds dnus dsls dssn dudd duds dudu duff dufu dull dulu dunn duns duul ffff ffss ffun flud fluf flus fndd fndn fnuf fsln fssf fudd fuff fufu full fuls fulu fund funf funs fusd fuss fusu ldls llds llll llud lndn lnfs lsds ludd luff lufu lull lulu lund lunn luns luss ndls ndsf ndsl ndss nfff nfld nfsu nlls nnls nnnn nnsl nnss nsdf nsdl nsds nsfs nsls nssf nsss nudd nuff null nunn nuns nusl nuss nusu sdds sdls sdsf sdsl sdss sdsu sfls sfss sfsu slds slln slsu slud snfu snlf snns snsd snus ssdd ssdf ssfl ssns sssf ssss sudd suds suf- suff sufs sufu sul- suld sulf sull sulu sun- sund sunn suns sunu sus- susd suss susu suus udds udsd udsl udun ulul ulus unds unfd unlf unns uns- unus usdf usdl usds usfl usfs uslu usnu ussf usss ussu usul usun usus uulu uuuu