Barth aBrth Brath rBath arBth raBth Batrh aBtrh Btarh tBarh atBrh taBrh Brtah rBtah Btrah tBrah rtBah trBah artBh ratBh atrBh tarBh rtaBh traBh Barht aBrht Braht rBaht arBht raBht Bahrt aBhrt Bhart hBart ahBrt haBrt Brhat rBhat Bhrat hBrat rhBat hrBat arhBt rahBt ahrBt harBt rhaBt hraBt Bathr aBthr Btahr tBahr atBhr taBhr Bahtr aBhtr Bhatr hBatr ahBtr haBtr Bthar tBhar Bhtar hBtar thBar htBar athBr tahBr ahtBr hatBr thaBr htaBr Brtha rBtha Btrha tBrha rtBha trBha Brhta rBhta Bhrta hBrta rhBta hrBta Bthra tBhra Bhtra hBtra thBra htBra rthBa trhBa rhtBa hrtBa thrBa htrBa arthB rathB atrhB tarhB rtahB trahB arhtB rahtB ahrtB hartB rhatB hratB athrB tahrB ahtrB hatrB tharB htarB rthaB trhaB rhtaB hrtaB thraB htraB
Note: these 'words' (valid or invalid) are all the permutations of the word Barth. These words are obtained by scrambling the letters in Barth.