aaaa aaar aaas aara aars aaru aasa aass aasu aaus aqar aqas aqra aqsa aqu- aqua araq arar aras arau arq- arqa arr- arra arrr arrs arru ars- arsa arsu arua aruq asaa asar asas asau asra asrs asru assa assq assr asss assu asur asus auaa aur- aura ausa ausu qara qars qaru qasr qass qqqq qrss qsas qsqs qsrs quaa quar quas quu- raas rara rars rasa rass rasu raua raus rras rrrr rsaa rssa rsua ruas rura rurs ruru rusa russ rusu saar saas sara sarr sars saru sasa sass saua saur saus sras ssaa ssas ssau ssra ssrs sssa ssss suar suas suqs sur- sura surr surs suru sus- susa suss susu suus uars uaru uasa uaua uqar uras urau urra ursa urss ursu uruq urur urus us-a usaa usar usas usra ussa ussr usss ussu usua usus uuuu