a-ak aaaa aaab aaar aaba aabb aaka aara abaa abab abaj abak abar abb- abba abbb abbr abra ajab ajak ajar ajba ajka akaa akar akka akr- akra arab arak arar arba arja arka arr- arra arrk arrr baaa baak baar baba babb babr baja bak- baka bakr bar- bara barb bark barr bbbb brab braj brak brka brkb brrr jaak jaar jaba jabr jaja jaka jara jark jarr jbaa jbar jjar jrbr kaaa kaab kaak kaar kaba kabb kabr kaja kajb kajk kajr kaka kakj kakk kara karb karj kark karr kbaa kbab kbak kbar kbba kbbb kbbk kbbr kbja kbjk kbkb kbkk kbkr kbra kbrb kbrj kbrk kjaa kjak kjbb kjbr kjjj kjjk kjjr kjkj kjkk kjrb kkaa kkar kkba kkbb kkbj kkbr kkjb kkjk kkkj kkkk kkrb kkrk kkrr krab kraj krak krar krba krbb krbk krbr krjb krjk krka krkk krkr krrb krrk krrr raab raaj raak raba rabb rabk raja raka rakk rara rarb rark rbbb rbbr rrrr