horst ohrst hrost rhost orhst rohst hosrt ohsrt hsort short oshrt sohrt hrsot rhsot hsrot shrot rshot srhot orsht rosht osrht sorht rsoht sroht horts ohrts hrots rhots orhts rohts hotrs ohtrs htors thors othrs tohrs hrtos rhtos htros thros rthos trhos orths roths otrhs torhs rtohs trohs hostr ohstr hsotr shotr oshtr sohtr hotsr ohtsr htosr thosr othsr tohsr hstor shtor htsor thsor sthor tshor osthr sothr otshr toshr stohr tsohr hrsto rhsto hsrto shrto rshto srhto hrtso rhtso htrso thrso rthso trhso hstro shtro htsro thsro sthro tshro rstho srtho rtsho trsho strho tsrho orsth rosth osrth sorth rsoth sroth ortsh rotsh otrsh torsh rtosh trosh ostrh sotrh otsrh tosrh storh tsorh rstoh srtoh rtsoh trsoh stroh tsroh
Note: these 'words' (valid or invalid) are all the permutations of the word horst. These words are obtained by scrambling the letters in horst.