-ana a-un aaaa aaab aaan aaas aaba aabb aana aasa aass aasu aaus abaa abab aban abas abau abb- abba abbb abbs abnu abs- absa abss absu abua abun abus ana- anaa anab anan anas anau anba anbb anbu anna annb anns ansa ansu anua anub anun anus asaa asab asan asas asau asba asbu assa assn asss assu asub asun asus auaa auna ausa ausu baaa baan baas baba babb babs babu bana bann bans banu basa bass basu bau- bbas bbau bbbb bbbs bnas bnss bsaa bsas bsns buba bubb bubs bubu buna bunb bunn buns bunu busa buss busu buus naaa naab naan naas naba nabs nabu nan- nana nanb nann nans nanu nas- nasa nasb nass nasu naus nbaa nbas nnnn nnsa nnss nsaa nsna nssa nssb nsss nsub nuan nuba nubs nuna nunn nuns nuss nusu saab saan saas saba sabb sabs sabu sana sann sans sanu sasa sass saua saun saus sbaa sbas sbbs sbsa sbus snab snas snba snns snub snus ssaa ssab ssan ssas ssau ssbn ssns sssa sssb ssss suan suas sub- suba subb subs sun- suna sunb sunn suns sunu sus- susa suss susu suus uasa uaua ubba unaa unan unas unau unna unns uns- unsa unus us-a usaa usan usas usba usbs usna usnu ussa ussb usss ussu usua usun usus uuuu