aaaa aaar aaas aara aars aart aaru aasa aass aast aasu aata aatt aaus arar aras arat arau arax arr- arra arrr arrs arrt arru ars- arsa arst arsu arta artr arts artx arua arut asaa asar asas asat asau asra asrs asru assa assr asss asst assu asta astr asts asur asus at-t at-x ataa atar atas atat atax atra atru atrx atst atta attr atts attu atua atur atus auaa aur- aura ausa aust ausu aut- auts auxa axar axat raas raat rara rars rasa rass rast rasu rata rats ratt ratu raua raus raut raxa rras rrat rrrr rsaa rssa rsts rstu rsua rtas rtss rtts ruas rura rurs ruru rusa russ rust rusu ruta ruts rutt rutu sa-x saar saas saat sara sarr sars sart saru sasa sass sast sata satr sats satt satu saua saur saus saut saux saxa saxt sras srta srtr ssaa ssas ssat ssau ssra ssrs sssa ssss ssta ssts star stas stat stau stax stra strs stru stss sttr stur stus stut stux suar suas suat sur- sura surr surs surt suru sus- susa suss sust susu suta sutu suus sux- suxt taa- taar taas taat tara tarr tars tart taru tasa tasr tass tast tasu tata tatr tats tatt tatu taua taur taus taut tax- taxa taxt traa tras trat trau trax trra trst trtr trus trut truu trux tsaa tsar tsat tsau tssa tssr tsst tsts ttss tttt tuar tuas tuat tura turr turs turt turu tusa tuss tust tuta tuts tutt tutu tuxs txaa txtr uars uart uaru uasa uata uatu uaua uras urat urau urra ursa urss ursu urts urur urus urut us-a usaa usar usas usat usra ussa ussr usss usst ussu usta usts usua usus utas utau utsa uttu uuta uuuu uxus xaar xara xats xtar xtra xtsr xura xurs xuxa xuxu xxxx