sabre asbre sbare bsare absre basre sarbe asrbe srabe rsabe arsbe rasbe sbrae bsrae srbae rsbae brsae rbsae abrse barse arbse rabse brase rbase saber asber sbaer bsaer abser baser saebr asebr seabr esabr aesbr easbr sbear bsear sebar esbar besar ebsar abesr baesr aebsr eabsr beasr ebasr sareb asreb sraeb rsaeb arseb raseb saerb aserb searb esarb aesrb easrb sreab rseab serab esrab resab ersab aresb raesb aersb earsb reasb erasb sbrea bsrea srbea rsbea brsea rbsea sbera bsera sebra esbra besra ebsra sreba rseba serba esrba resba ersba bresa rbesa bersa ebrsa rebsa erbsa abres bares arbes rabes braes rbaes abers baers aebrs eabrs bears ebars arebs raebs aerbs earbs reabs erabs breas rbeas beras ebras rebas erbas
Note: these 'words' (valid or invalid) are all the permutations of the word sabre. These words are obtained by scrambling the letters in sabre.