ypobl pyobl yopbl oypbl poybl opybl ypbol pybol ybpol bypol pbyol bpyol yobpl oybpl ybopl byopl obypl boypl pobyl opbyl pboyl bpoyl obpyl bopyl ypolb pyolb yoplb oyplb poylb opylb yplob pylob ylpob lypob plyob lpyob yolpb oylpb ylopb lyopb olypb loypb polyb oplyb ployb lpoyb olpyb lopyb ypblo pyblo ybplo byplo pbylo bpylo yplbo pylbo ylpbo lypbo plybo lpybo yblpo bylpo ylbpo lybpo blypo lbypo pblyo bplyo plbyo lpbyo blpyo lbpyo yoblp oyblp ybolp byolp obylp boylp yolbp oylbp ylobp lyobp olybp loybp yblop bylop ylbop lybop blyop lbyop oblyp bolyp olbyp lobyp bloyp lboyp pobly opbly pboly bpoly obply boply polby oplby ploby lpoby olpby lopby pbloy bploy plboy lpboy blpoy lbpoy oblpy bolpy olbpy lobpy blopy lbopy
Note: these 'words' (valid or invalid) are all the permutations of the word ypobl. These words are obtained by scrambling the letters in ypobl.