burgh ubrgh brugh rbugh urbgh rubgh bugrh ubgrh bgurh gburh ugbrh gubrh brguh rbguh bgruh gbruh rgbuh grbuh urgbh rugbh ugrbh gurbh rgubh grubh burhg ubrhg bruhg rbuhg urbhg rubhg buhrg ubhrg bhurg hburg uhbrg hubrg brhug rbhug bhrug hbrug rhbug hrbug urhbg ruhbg uhrbg hurbg rhubg hrubg bughr ubghr bguhr gbuhr ugbhr gubhr buhgr ubhgr bhugr hbugr uhbgr hubgr bghur gbhur bhgur hbgur ghbur hgbur ughbr guhbr uhgbr hugbr ghubr hgubr brghu rbghu bgrhu gbrhu rgbhu grbhu brhgu rbhgu bhrgu hbrgu rhbgu hrbgu bghru gbhru bhgru hbgru ghbru hgbru rghbu grhbu rhgbu hrgbu ghrbu hgrbu urghb rughb ugrhb gurhb rguhb gruhb urhgb ruhgb uhrgb hurgb rhugb hrugb ughrb guhrb uhgrb hugrb ghurb hgurb rghub grhub rhgub hrgub ghrub hgrub
Note: these 'words' (valid or invalid) are all the permutations of the word burgh. These words are obtained by scrambling the letters in burgh.