shwas hswas swhas wshas hwsas whsas shaws hsaws sahws ashws hasws ahsws swahs wsahs sawhs aswhs washs awshs hwass whass hawss ahwss wahss awhss shwsa hswsa swhsa wshsa hwssa whssa shswa hsswa sshwa sshwa hsswa shswa swsha wssha sswha sswha wssha swsha hwssa whssa hswsa shwsa wshsa swhsa shasw hsasw sahsw ashsw hassw ahssw shsaw hssaw sshaw sshaw hssaw shsaw sashw asshw ssahw ssahw asshw sashw hassw ahssw hsasw shasw ashsw sahsw swash wsash sawsh aswsh wassh awssh swsah wssah sswah sswah wssah swsah saswh asswh ssawh ssawh asswh saswh wassh awssh wsash swash aswsh sawsh hwass whass hawss ahwss wahss awhss hwsas whsas hswas shwas wshas swhas hasws ahsws hsaws shaws ashws sahws washs awshs wsahs swahs aswhs sawhs
Note: these 'words' (valid or invalid) are all the permutations of the word shwas. These words are obtained by scrambling the letters in shwas.