verbs evrbs vrebs rvebs ervbs revbs vebrs evbrs vbers bvers ebvrs bevrs vrbes rvbes vbres bvres rbves brves erbvs rebvs ebrvs bervs rbevs brevs versb evrsb vresb rvesb ervsb revsb vesrb evsrb vserb sverb esvrb sevrb vrseb rvseb vsreb svreb rsveb srveb ersvb resvb esrvb servb rsevb srevb vebsr evbsr vbesr bvesr ebvsr bevsr vesbr evsbr vsebr svebr esvbr sevbr vbser bvser vsber svber bsver sbver ebsvr besvr esbvr sebvr bsevr sbevr vrbse rvbse vbrse bvrse rbvse brvse vrsbe rvsbe vsrbe svrbe rsvbe srvbe vbsre bvsre vsbre svbre bsvre sbvre rbsve brsve rsbve srbve bsrve sbrve erbsv rebsv ebrsv bersv rbesv bresv ersbv resbv esrbv serbv rsebv srebv ebsrv besrv esbrv sebrv bserv sberv rbsev brsev rsbev srbev bsrev sbrev
Note: these 'words' (valid or invalid) are all the permutations of the word verbs. These words are obtained by scrambling the letters in verbs.