whorl hworl wohrl owhrl howrl ohwrl whrol hwrol wrhol rwhol hrwol rhwol worhl owrhl wrohl rwohl orwhl rowhl horwl ohrwl hrowl rhowl orhwl rohwl wholr hwolr wohlr owhlr howlr ohwlr whlor hwlor wlhor lwhor hlwor lhwor wolhr owlhr wlohr lwohr olwhr lowhr holwr ohlwr hlowr lhowr olhwr lohwr whrlo hwrlo wrhlo rwhlo hrwlo rhwlo whlro hwlro wlhro lwhro hlwro lhwro wrlho rwlho wlrho lwrho rlwho lrwho hrlwo rhlwo hlrwo lhrwo rlhwo lrhwo worlh owrlh wrolh rwolh orwlh rowlh wolrh owlrh wlorh lworh olwrh lowrh wrloh rwloh wlroh lwroh rlwoh lrwoh orlwh rolwh olrwh lorwh rlowh lrowh horlw ohrlw hrolw rholw orhlw rohlw holrw ohlrw hlorw lhorw olhrw lohrw hrlow rhlow hlrow lhrow rlhow lrhow orlhw rolhw olrhw lorhw rlohw lrohw
Note: these 'words' (valid or invalid) are all the permutations of the word whorl. These words are obtained by scrambling the letters in whorl.