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