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