-ana aaaa aaan aaar aana aang aara aart aata aatt agag agan agar agat agga agna agra agta agtr agxt ana- anaa anag anan anar anat anax ang- anga anna annt ant- anta antr antt arag aran arar arat arax arga arna arng arnt arr- arra arrg arrr arrt arta artr artx at-t at-x ataa atan atar atat atax atna atra atrn atrx atta attn attr axan axar axat gaar gaga gagg gana gang gann gant gara garg garn garr gart gata gatr gatt gatx gggg ggrn gnaa gnar gnat gnrr gran grat grrr gtaa gtta naaa naag naan naar naat naga nan- nana nang nann nant nara narg narn narr nart narx nata natt natx ngan ngtn nngn nnnn nntn nrna nrta nttr raag raan raat raga ragg rana rang rann rant ranx rara rata ratt raxa rgan rgtr rnag rnnt rrat rrna rrrr rtan taa- taag taan taar taat taga tagg tana tang tann tant tanx tara targ tarn tarr tart tata tatr tatt tax- taxa taxt tnag traa trag tran trat trax trna trng trra trtr tttt txaa txga txtr xaar xaga xana xara xtar xtra xxxx