nasty ansty nsaty snaty asnty santy natsy antsy ntasy tnasy atnsy tansy nstay sntay ntsay tnsay stnay tsnay astny satny atsny tasny stany tsany nasyt ansyt nsayt snayt asnyt sanyt nayst anyst nyast ynast aynst yanst nsyat snyat nysat ynsat synat ysnat asynt saynt aysnt yasnt syant ysant natys antys ntays tnays atnys tanys nayts anyts nyats ynats aynts yants ntyas tnyas nytas yntas tynas ytnas atyns tayns aytns yatns tyans ytans nstya sntya ntsya tnsya stnya tsnya nsyta snyta nysta ynsta synta ysnta ntysa tnysa nytsa yntsa tynsa ytnsa styna tsyna sytna ystna tysna ytsna astyn satyn atsyn tasyn stayn tsayn asytn saytn aystn yastn syatn ysatn atysn taysn aytsn yatsn tyasn ytasn styan tsyan sytan ystan tysan ytsan
Note: these 'words' (valid or invalid) are all the permutations of the word nasty. These words are obtained by scrambling the letters in nasty.