a-ak a-ii aaaa aaab aaai aaba aabb aabi aaib aaii aaka abaa abab abag abai abak abb- abba abbb abbi abia abib abig agag agai agba agga aggi agia agib agig agii aiai aiba aiga aiia aiib aika aiki akaa akai akia akik akka akki ba-i baaa baak baba babb babi baga bagg bagi baia baib baig baik bak- baka baki bbbb bbga bgia biak biba bibb bibi biga bigb bigg gaba gabb gabi gaga gagg gagi gaia gaig gaki gbag gggg giaa giai giba gibb giga gigg gigi iaaa iaai iaba iaia ibga ibia igba igga igia iiii ikig ikki kaaa kaab kaag kaai kaak kaba kabb kabg kabi kag- kaga kagb kagg kagi kaia kaib kaig kaii kaik kaka kaki kakk kbaa kbab kbai kbak kbba kbbb kbbg kbbi kbbk kbga kbgb kbgg kbia kbib kbig kbik kbkb kbkg kbkk kgab kgak kgba kgbb kgga kggg kggi kgia kiab kiai kiba kibb kibg kibi kiga kiia kiii kiik kika kiki kikk kkaa kkag kkai kkba kkbb kkbg kkbi kkgb kkia kkik kkkk