sobya osbya sboya bsoya obsya bosya soyba osyba syoba ysoba oysba yosba sbyoa bsyoa syboa ysboa bysoa ybsoa obysa boysa oybsa yobsa byosa ybosa sobay osbay sboay bsoay obsay bosay soaby osaby saoby asoby oasby aosby sbaoy bsaoy saboy asboy basoy absoy obasy boasy oabsy aobsy baosy abosy soyab osyab syoab ysoab oysab yosab soayb osayb saoyb asoyb oasyb aosyb syaob ysaob sayob asyob yasob aysob oyasb yoasb oaysb aoysb yaosb ayosb sbyao bsyao sybao ysbao bysao ybsao sbayo bsayo sabyo asbyo basyo absyo syabo ysabo saybo asybo yasbo aysbo byaso ybaso bayso abyso yabso aybso obyas boyas oybas yobas byoas yboas obays boays oabys aobys baoys aboys oyabs yoabs oaybs aoybs yaobs ayobs byaos ybaos bayos abyos yabos aybos
Note: these 'words' (valid or invalid) are all the permutations of the word sobya. These words are obtained by scrambling the letters in sobya.