arses rases asres sares rsaes sraes aress raess aerss earss reass erass asers saers aesrs easrs sears esars rseas sreas resas ersas seras esras arsse rasse asrse sarse rsase srase arsse rasse asrse sarse rsase srase assre sasre assre sasre ssare ssare rssae srsae rssae srsae ssrae ssrae aress raess aerss earss reass erass arses rases asres sares rsaes sraes aesrs easrs asers saers esars sears resas ersas rseas sreas esras seras asesr saesr aessr eassr seasr esasr asser saser asser saser ssaer ssaer aessr eassr asesr saesr esasr seasr sesar essar ssear ssear essar sesar rsesa sresa ressa erssa sersa esrsa rssea srsea rssea srsea ssrea ssrea ressa erssa rsesa sresa esrsa sersa sesra essra ssera ssera essra sesra
Note: these 'words' (valid or invalid) are all the permutations of the word arses. These words are obtained by scrambling the letters in arses.