those htose tohse othse hotse ohtse thsoe htsoe tshoe sthoe hstoe shtoe toshe otshe tsohe stohe osthe sothe hoste ohste hsote shote oshte sohte thoes htoes tohes othes hotes ohtes theos hteos tehos ethos hetos ehtos toehs otehs teohs etohs oeths eoths hoets ohets heots ehots oehts eohts thseo htseo tsheo stheo hsteo shteo theso hteso tehso ethso hetso ehtso tseho steho tesho etsho setho estho hseto sheto hesto ehsto sehto eshto toseh otseh tsoeh stoeh osteh soteh toesh otesh teosh etosh oetsh eotsh tseoh steoh tesoh etsoh setoh estoh oseth soeth oesth eosth seoth esoth hoset ohset hsoet shoet oshet sohet hoest ohest heost ehost oehst eohst hseot sheot hesot ehsot sehot eshot oseht soeht oesht eosht seoht esoht
Note: these 'words' (valid or invalid) are all the permutations of the word those. These words are obtained by scrambling the letters in those.