howre ohwre hwore whore owhre wohre horwe ohrwe hrowe rhowe orhwe rohwe hwroe whroe hrwoe rhwoe wrhoe rwhoe owrhe worhe orwhe rowhe wrohe rwohe hower ohwer hwoer whoer owher woher hoewr ohewr heowr ehowr oehwr eohwr hweor wheor hewor ehwor wehor ewhor owehr woehr oewhr eowhr weohr ewohr horew ohrew hroew rhoew orhew rohew hoerw oherw heorw ehorw oehrw eohrw hreow rheow herow ehrow rehow erhow orehw roehw oerhw eorhw reohw erohw hwreo whreo hrweo rhweo wrheo rwheo hwero whero hewro ehwro wehro ewhro hrewo rhewo herwo ehrwo rehwo erhwo wreho rweho werho ewrho rewho erwho owreh woreh orweh roweh wroeh rwoeh owerh woerh oewrh eowrh weorh eworh orewh roewh oerwh eorwh reowh erowh wreoh rweoh weroh ewroh rewoh erwoh
Note: these 'words' (valid or invalid) are all the permutations of the word howre. These words are obtained by scrambling the letters in howre.