ornhb ronhb onrhb norhb rnohb nrohb orhnb rohnb ohrnb hornb rhonb hronb onhrb nohrb ohnrb honrb nhorb hnorb rnhob nrhob rhnob hrnob nhrob hnrob ornbh ronbh onrbh norbh rnobh nrobh orbnh robnh obrnh bornh rbonh bronh onbrh nobrh obnrh bonrh nborh bnorh rnboh nrboh rbnoh brnoh nbroh bnroh orhbn rohbn ohrbn horbn rhobn hrobn orbhn robhn obrhn borhn rbohn brohn ohbrn hobrn obhrn bohrn hborn bhorn rhbon hrbon rbhon brhon hbron bhron onhbr nohbr ohnbr honbr nhobr hnobr onbhr nobhr obnhr bonhr nbohr bnohr ohbnr hobnr obhnr bohnr hbonr bhonr nhbor hnbor nbhor bnhor hbnor bhnor rnhbo nrhbo rhnbo hrnbo nhrbo hnrbo rnbho nrbho rbnho brnho nbrho bnrho rhbno hrbno rbhno brhno hbrno bhrno nhbro hnbro nbhro bnhro hbnro bhnro
Note: these 'words' (valid or invalid) are all the permutations of the word ornhb. These words are obtained by scrambling the letters in ornhb.