sceat cseat secat escat cesat ecsat scaet csaet sacet ascet caset acset seact esact saect asect easct aesct ceast ecast caest acest eacst aecst sceta cseta secta escta cesta ecsta sctea cstea stcea tscea ctsea tcsea setca estca steca tseca etsca tesca cetsa ectsa ctesa tcesa etcsa tecsa scate csate sacte ascte caste acste sctae cstae stcae tscae ctsae tcsae satce astce stace tsace atsce tasce catse actse ctase tcase atcse tacse seatc esatc saetc asetc eastc aestc setac estac steac tseac etsac tesac satec astec staec tsaec atsec tasec eatsc aetsc etasc teasc atesc taesc ceats ecats caets acets eacts aects cetas ectas cteas tceas etcas tecas cates actes ctaes tcaes atces taces eatcs aetcs etacs teacs atecs taecs
Note: these 'words' (valid or invalid) are all the permutations of the word sceat. These words are obtained by scrambling the letters in sceat.