-ana a-ak aaaa aaab aaal aaan aaav aaba aabb aabl aaka aala aall aana aava abaa abab abak abal aban abb- abba abbb abla ablv abva akaa akal akan akka akna alaa alak alal alan alb- alba alk- alka alkb all- alla alll alln alna alva ana- anaa anab anak anal anan anba anbb anbl ank- anka anla anln anna annb avab aval avan avlb avva baaa baak baal baan baba babb bak- baka bakl bala balk ball bana bank bann bava bbbb bblb blaa blab blak blan blkb kaaa kaab kaak kaal kaan kaba kabb kaka kakk kakn kala kalb kalk kall kaln kalv kana kanb kann kanv kava kavb kavl kavv kbaa kbab kbak kbal kbba kbbb kbbk kbbl kbkb kbkk kbkl kbkv kbla kblb kbll kblv kbna kbnl kbnn kbnv kbva kbvb kkaa kkal kkan kkba kkbb kkbl kkbn kkkk kklb kkll kkln kklv kknb kknn kkvv klaa klab klak klal klan klav klbb klbl klbn klka klkk klkl klkn klkv klla kllb kllk kllv klnn klnv klvb klvk klvl klvv knaa knab knal knan knba knbb knbn knkk knla knlb knlv knnb knnk knva knvn kvab kvak kval kvan kvbl kvkl kvlb kvlv kvna kvnn kvvl kvvn kvvv laaa laak laal laan laba laka lala lall lan- lana lank lann lava lkab lkal lkan llan llll lnav lnnk naaa naab naal naan naba nabk nabl naka nala nall nan- nana nanb nann nava navv nbaa nbak nlab nnnn nvla vaal vaan vaka vala valk vall valn vana vank vann vava vlab vlan vlba vnav vvvv