bovid obvid bvoid vboid ovbid vobid boivd obivd biovd ibovd oibvd iobvd bviod vbiod bivod ibvod vibod ivbod ovibd voibd oivbd iovbd viobd ivobd bovdi obvdi bvodi vbodi ovbdi vobdi bodvi obdvi bdovi dbovi odbvi dobvi bvdoi vbdoi bdvoi dbvoi vdboi dvboi ovdbi vodbi odvbi dovbi vdobi dvobi boidv obidv biodv ibodv oibdv iobdv bodiv obdiv bdoiv dboiv odbiv dobiv bidov ibdov bdiov dbiov idbov dibov oidbv iodbv odibv doibv idobv diobv bvido vbido bivdo ibvdo vibdo ivbdo bvdio vbdio bdvio dbvio vdbio dvbio bidvo ibdvo bdivo dbivo idbvo dibvo vidbo ivdbo vdibo dvibo idvbo divbo ovidb voidb oivdb iovdb viodb ivodb ovdib vodib odvib dovib vdoib dvoib oidvb iodvb odivb doivb idovb diovb vidob ivdob vdiob dviob idvob divob
Note: these 'words' (valid or invalid) are all the permutations of the word bovid. These words are obtained by scrambling the letters in bovid.