-ana aaaa aaan aaar aaas aana aara aars aart aasa aass aast aata aatt ana- anaa anan anar anas anat anna anns annt ansa ant- anta antr ants antt aran arar aras arat arna arns arnt arr- arra arrr arrs arrt ars- arsa arst arta artr arts asaa asan asar asas asat asra asrs assa assn assr asss asst asta astr asts at-t ataa atan atar atas atat atna atns atra atrn atst atta attn attr atts naaa naan naar naas naat nan- nana nann nans nant nara narn narr nars nart nas- nasa nasr nass nast nata nats natt nnnn nnsa nnss nntn nras nrna nrsa nrta nrts nsaa nsar nsna nsnr nsra nssa nssr nsss nsts ntss nttr raan raas raat rana rann rans rant rara rars rasa rass rast rata rats ratt rnas rnnt rras rrat rrna rrrr rsaa rsna rsnn rsnr rssa rsts rtan rtas rtns rtss rtts saan saar saas saat sana sann sanr sans sant sara sarn sarr sars sart sasa sass sast sata satn satr sats satt snar snas snat snns snra snrs sntr sras srna srnn srta srtr ssaa ssan ssas ssat ssns ssra ssrs sssa ssss ssta ssts stan star stas stat stnn stnr stns stra strn strs stss sttr taa- taan taar taas taat tana tann tans tant tara tarn tarr tars tart tasa tasr tass tast tata tatr tats tatt tnts traa tran tras trat trna trra trst trtr tsaa tsar tsat tsna tssa tssr tsst tsts ttss tttt