-ana a-ak a-ok aaaa aaab aaan aaba aabb aaka aana aaon aaoo abaa abab abaj abak aban abb- abba abbb abbo aboa abob abok abon aboo ajab ajak ajan ajao ajba ajka ajna ajob ajon ajoo akaa akan akao akka akko akna akok akon ana- anaa anab anak anan anao anba anbb anbo anja anjo ank- anka anko anna annb anno ano- anoa anon aoba aonb aono baaa baak baan baba babb babo baja bak- baka bako bana banj bank bann bano baon bbbb bjoa boab boak boan boba bobb bobo bojo boka bokn boko bona bonk bonn bono boob book boon jaak jaan jaba jabo jaja jaka jako jana jank jann jano jaon jbaa jbob joab joan joao joba jobo jojo joka jokb jona jonk jonn jono jook joon kaaa kaab kaak kaan kaba kabb kabo kaja kajb kajk kajn kajo kaka kakj kakk kakn kako kana kanb kanj kann kano kaoa kaok kaon kbaa kbab kbak kbba kbbb kbbk kbbo kbja kbjk kbkb kbkk kbko kbna kbnj kbnn kbno kboa kbob kbok kbon kboo kjaa kjak kjan kjbb kjbn kjjj kjjk kjjo kjkj kjkk kjno kjoj kjok kjon kkaa kkan kkba kkbb kkbj kkbn kkbo kkjb kkjk kkkj kkkk kknb kknn kkno kkoa kkob kkoj kkon kkoo knaa knab knaj knan knba knbb knbj knbn knjo knkk knnb knnk knob knok knon koab koak koan koba kobb kobk kobn kobo koja kojb kojo koka kokb kokk kokn koko kona konk kono koob kook koon kooo naaa naab naan naba nabk nabo naja naka nako nan- nana nanb nann nano nbaa nbak nbbj nbbo njaa nkok nnnn noaa noak noba nobo noja noko non- nona nonn nono noo- noob nooj nook noon nooo obak oban obba obbo obja obkb obok obon ojak ojan ojok okak okan okja okka okko okna okno okok okon onab onan onna onno onon ooaa ooak ooba oona oooo