-ana aaaa aaab aaan aaba aabb aabt aana aang aata aatt abaa abab abag aban abat abb- abba abbb abbt abta abza agag agan agat agaz agba agga agna agta ana- anaa anab anag anan anat anaz anba anbb ang- anga anna annb annt ant- anta antt antz anza at-t ataa atab atan atat atna atta attn aza- azab azan azat azaz azna azza baaa baan baat baaz baba babb baga bagg bagn bagt bana bang bann bant banz bata batn batt batz baza bbbb bbga bbng bgan bnta btaa btan bttb bzzt bzzz gaba gabb gabt gabz gaga gagg gana gang gann gant ganz gata gatt gaza gbag gban ggbt gggg gnaa gnat gnaz gtaa gtta naaa naab naag naan naat naba naga nan- nana nanb nang nann nant nata natt naza nazz nbaa ngab ngan ngtn nngn nnnn nntn taa- taag taan taat taba tabb taga tagg tana tang tann tant tanz tata tatb tatt tatz taza tazz tbta tnag ttab ttbb tttt tzzt zaan zaat zaba zagg zana zang zann zant zaza zgba znng zzzz