halve ahlve hlave lhave alhve lahve havle ahvle hvale vhale avhle vahle hlvae lhvae hvlae vhlae lvhae vlhae alvhe lavhe avlhe valhe lvahe vlahe halev ahlev hlaev lhaev alhev lahev haelv ahelv healv ehalv aehlv eahlv hleav lheav helav ehlav lehav elhav alehv laehv aelhv ealhv leahv elahv havel ahvel hvael vhael avhel vahel haevl ahevl heavl ehavl aehvl eahvl hveal vheal heval ehval vehal evhal avehl vaehl aevhl eavhl veahl evahl hlvea lhvea hvlea vhlea lvhea vlhea hleva lheva helva ehlva lehva elhva hvela vhela hevla ehvla vehla evhla lveha vleha levha elvha velha evlha alveh laveh avleh valeh lvaeh vlaeh alevh laevh aelvh ealvh leavh elavh avelh vaelh aevlh eavlh vealh evalh lveah vleah levah elvah velah evlah
Note: these 'words' (valid or invalid) are all the permutations of the word halve. These words are obtained by scrambling the letters in halve.