hapax ahpax hpaax phaax aphax pahax haapx ahapx haapx ahapx aahpx aahpx hpaax phaax hapax ahpax pahax aphax apahx paahx aaphx aaphx paahx apahx hapxa ahpxa hpaxa phaxa aphxa pahxa haxpa ahxpa hxapa xhapa axhpa xahpa hpxaa phxaa hxpaa xhpaa pxhaa xphaa apxha paxha axpha xapha pxaha xpaha haaxp ahaxp haaxp ahaxp aahxp aahxp haxap ahxap hxaap xhaap axhap xahap haxap ahxap hxaap xhaap axhap xahap aaxhp aaxhp axahp xaahp axahp xaahp hpaxa phaxa hapxa ahpxa pahxa aphxa hpxaa phxaa hxpaa xhpaa pxhaa xphaa haxpa ahxpa hxapa xhapa axhpa xahpa paxha apxha pxaha xpaha axpha xapha apaxh paaxh aapxh aapxh paaxh apaxh apxah paxah axpah xapah pxaah xpaah aaxph aaxph axaph xaaph axaph xaaph paxah apxah pxaah xpaah axpah xapah
Note: these 'words' (valid or invalid) are all the permutations of the word hapax. These words are obtained by scrambling the letters in hapax.