ganch agnch gnach ngach angch nagch gacnh agcnh gcanh cganh acgnh cagnh gncah ngcah gcnah cgnah ncgah cngah ancgh nacgh acngh cangh ncagh cnagh ganhc agnhc gnahc ngahc anghc naghc gahnc aghnc ghanc hganc ahgnc hagnc gnhac nghac ghnac hgnac nhgac hngac anhgc nahgc ahngc hangc nhagc hnagc gachn agchn gcahn cgahn acghn caghn gahcn aghcn ghacn hgacn ahgcn hagcn gchan cghan ghcan hgcan chgan hcgan achgn cahgn ahcgn hacgn chagn hcagn gncha ngcha gcnha cgnha ncgha cngha gnhca nghca ghnca hgnca nhgca hngca gchna cghna ghcna hgcna chgna hcgna nchga cnhga nhcga hncga chnga hcnga anchg nachg acnhg canhg ncahg cnahg anhcg nahcg ahncg hancg nhacg hnacg achng cahng ahcng hacng chang hcang nchag cnhag nhcag hncag chnag hcnag
Note: these 'words' (valid or invalid) are all the permutations of the word ganch. These words are obtained by scrambling the letters in ganch.