aabcy aabcy abacy baacy abacy baacy aacby aacby acaby caaby acaby caaby abcay bacay acbay cabay bcaay cbaay abcay bacay acbay cabay bcaay cbaay aabyc aabyc abayc baayc abayc baayc aaybc aaybc ayabc yaabc ayabc yaabc abyac bayac aybac yabac byaac ybaac abyac bayac aybac yabac byaac ybaac aacyb aacyb acayb caayb acayb caayb aaycb aaycb ayacb yaacb ayacb yaacb acyab cayab aycab yacab cyaab ycaab acyab cayab aycab yacab cyaab ycaab abcya bacya acbya cabya bcaya cbaya abyca bayca aybca yabca byaca ybaca acyba cayba aycba yacba cyaba ycaba bcyaa cbyaa bycaa ybcaa cybaa ycbaa abcya bacya acbya cabya bcaya cbaya abyca bayca aybca yabca byaca ybaca acyba cayba aycba yacba cyaba ycaba bcyaa cbyaa bycaa ybcaa cybaa ycbaa
Note: these 'words' (valid or invalid) are all the permutations of the word aabcy. These words are obtained by scrambling the letters in aabcy.