yakka aykka ykaka kyaka akyka kayka yakka aykka ykaka kyaka akyka kayka ykkaa kykaa ykkaa kykaa kkyaa kkyaa akkya kakya akkya kakya kkaya kkaya yakak aykak ykaak kyaak akyak kayak yaakk ayakk yaakk ayakk aaykk aaykk ykaak kyaak yakak aykak kayak akyak akayk kaayk aakyk aakyk kaayk akayk yakak aykak ykaak kyaak akyak kayak yaakk ayakk yaakk ayakk aaykk aaykk ykaak kyaak yakak aykak kayak akyak akayk kaayk aakyk aakyk kaayk akayk ykkaa kykaa ykkaa kykaa kkyaa kkyaa ykaka kyaka yakka aykka kayka akyka ykaka kyaka yakka aykka kayka akyka kkaya kkaya kakya akkya kakya akkya akkay kakay akkay kakay kkaay kkaay akaky kaaky aakky aakky kaaky akaky akaky kaaky aakky aakky kaaky akaky kkaay kkaay kakay akkay kakay akkay
Note: these 'words' (valid or invalid) are all the permutations of the word yakka. These words are obtained by scrambling the letters in yakka.