aught uaght aguht gauht ugaht guaht auhgt uahgt ahugt haugt uhagt huagt aghut gahut ahgut hagut ghaut hgaut ughat guhat uhgat hugat ghuat hguat augth uagth aguth gauth ugath guath autgh uatgh atugh taugh utagh tuagh agtuh gatuh atguh taguh gtauh tgauh ugtah gutah utgah tugah gtuah tguah auhtg uahtg ahutg hautg uhatg huatg authg uathg atuhg tauhg utahg tuahg ahtug hatug athug tahug htaug thaug uhtag hutag uthag tuhag htuag thuag aghtu gahtu ahgtu hagtu ghatu hgatu agthu gathu atghu taghu gtahu tgahu ahtgu hatgu athgu tahgu htagu thagu ghtau hgtau gthau tghau htgau thgau ughta guhta uhgta hugta ghuta hguta ugtha gutha utgha tugha gtuha tguha uhtga hutga uthga tuhga htuga thuga ghtua hgtua gthua tghua htgua thgua
Note: these 'words' (valid or invalid) are all the permutations of the word aught. These words are obtained by scrambling the letters in aught.