yacht aycht ycaht cyaht acyht cayht yahct ayhct yhact hyact ahyct hayct ychat cyhat yhcat hycat chyat hcyat achyt cahyt ahcyt hacyt chayt hcayt yacth aycth ycath cyath acyth cayth yatch aytch ytach tyach atych taych yctah cytah ytcah tycah ctyah tcyah actyh catyh atcyh tacyh ctayh tcayh yahtc ayhtc yhatc hyatc ahytc haytc yathc aythc ytahc tyahc atyhc tayhc yhtac hytac ythac tyhac htyac thyac ahtyc hatyc athyc tahyc htayc thayc ychta cyhta yhcta hycta chyta hcyta yctha cytha ytcha tycha ctyha tcyha yhtca hytca ythca tyhca htyca thyca chtya hctya cthya tchya htcya thcya achty cahty ahcty hacty chaty hcaty acthy cathy atchy tachy ctahy tcahy ahtcy hatcy athcy tahcy htacy thacy chtay hctay cthay tchay htcay thcay
Note: these 'words' (valid or invalid) are all the permutations of the word yacht. These words are obtained by scrambling the letters in yacht.