aaaa aaar aaas aara aars aart aaru aasa aass aast aasu aata aatt aaus aqar aqas aqra aqsa aqu- aqua araq arar aras arat arau arq- arqa arr- arra arrr arrs arrt arru ars- arsa arst arsu arta artr arts arua aruq arut asaa asar asas asat asau asra asrs asru assa assq assr asss asst assu asta astr asts asur asus at-t ataa ataq atar atas atat atra atru atst atta attr atts attu atua atur atus auaa aur- aura ausa aust ausu aut- auts qara qars qaru qasr qass qats qqqq qrss qrst qsas qsqs qsqt qsrs qtar qtrs quaa quar quas quat qust quu- raas raat raqt rara rars rasa rass rast rasu rata rats ratt ratu raua raus raut rras rrat rrrr rsaa rssa rsts rstu rsua rtas rtss rtts ruas rura rurs ruru rusa russ rust rusu ruta ruts rutt rutu saar saas saat sara sarr sars sart saru sasa sass sast sata satr sats satt satu saua saur saus saut sqrt sras srta srtr ssaa ssas ssat ssau ssra ssrs sssa ssss ssta ssts star stas stat stau stra strs stru stss sttr stur stus stut suar suas suat suqs sur- sura surr surs surt suru sus- susa suss sust susu suta sutu suus taa- taar taas taat taqa taqu tara tarq tarr tars tart taru tasa tasr tass tast tasu tata tatr tats tatt tatu taua taur taus taut traa tras trat trau trra trst trtr trus trut truu 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 uars uart uaru uasa uata uatu uaua uqar uqat uras urat urau urra ursa urss ursu urts uruq urur urus urut us-a usaa usar usas usat usra ussa ussr usss usst ussu usta usts usua usus utas utau utsa uttu utuq uuta uuuu