uhlan hulan ulhan luhan hluan lhuan uhaln hualn uahln auhln hauln ahuln ulahn luahn ualhn aulhn lauhn aluhn hlaun lhaun halun ahlun lahun alhun uhlna hulna ulhna luhna hluna lhuna uhnla hunla unhla nuhla hnula nhula ulnha lunha unlha nulha lnuha nluha hlnua lhnua hnlua nhlua lnhua nlhua uhanl huanl uahnl auhnl haunl ahunl uhnal hunal unhal nuhal hnual nhual uanhl aunhl unahl nuahl anuhl nauhl hanul ahnul hnaul nhaul anhul nahul ulanh luanh ualnh aulnh launh alunh ulnah lunah unlah nulah lnuah nluah uanlh aunlh unalh nualh anulh naulh lanuh alnuh lnauh nlauh anluh naluh hlanu lhanu halnu ahlnu lahnu alhnu hlnau lhnau hnlau nhlau lnhau nlhau hanlu ahnlu hnalu nhalu anhlu nahlu lanhu alnhu lnahu nlahu anlhu nalhu
Note: these 'words' (valid or invalid) are all the permutations of the word uhlan. These words are obtained by scrambling the letters in uhlan.