a-fu aaaa aaaf aaar aaas aafa aaff aara aars aart aaru aasa aasf aass aast aasu aata aatf aatt aaus afaa afar afat affa affs afft afr- afra afrs afru afsa afst afta afts afua afus araf arar aras arat arau arax arfa arff arfs arft arfu arr- arra arrr arrs arrt arru ars- arsa arst arsu arta artr arts artx arua arut asaa asaf asar asas asat asau asfa asra asrs asru assa assr asss asst assu asta astr asts asur asus at-t at-x ataa atar atas atat atax atfs atra atru atrx atst atta attr atts attu atua atur atus auaa aufs aur- aura ausa aust ausu aut- auts auxa axaf axar axat axfr axfs faaa faas fafa faff fara farr fars fart faru fasa fass fast fata fatf fats fatt faur faut faux ffar ffff ffrr ffsa ffss fftf fras frat frau frax frst frta fsas fsra fssa fssf fsta ftrs ftsa ftsr fuar fuat fuff fufu fur- fura furr furs furt fusa fuss fust fusu futa futs futu raaf raas raat rafa raff raft rara rarf rars rasa rass rast rasu rata ratf rats ratt ratu raua rauf raus raut raxa rras rrat rrrr rsaa rsaf rssa rsts rstu rsua rtas rtss rtts ruas rufa ruff ruft rura rurs ruru rusa russ rust rusu ruta ruts rutt rutu sa-x saaf saar saas saat safa saff safr saft safu sara sarf sarr sars sart saru sasa sasf sass sast sata satr sats satt satu saua sauf saur saus saut saux saxa saxt sfar sfas sfax sfra sfss sfsu sfts sraf sras srta srtr ssaa ssas ssat ssau ssra ssrs sssa sssf ssss ssta ssts star stas stat stau stax stfu stra strs stru stsf stss sttr stuf stur stus stut stux suar suas suat suf- sufa suff sufr sufs sufu sur- sura surf surr surs surt suru sus- susa suss sust susu suta sutu suus sux- suxt taa- taaf taar taas taat tafa taff taft tara tarf tarr tars tart taru tasa tasr tass tast tasu tata tatr tats tatt tatu taua taur taus taut tax- taxa taxf taxt tfrs tfss traa traf tras trat trau trax trfr trra trst trtr trus trut truu trux tsaa tsar tsat tsau tssa tssf tssr tsst tsts ttfa ttff ttss tttt tuar tuas tuat tufa tuff tuft tufu tura turf turr turs turt turu tusa tuss tust tuta tuts tutt tutu tuxs txaa txtr uafa uars uart uaru uasa uata uatu uaua uffa ufra ufxs uras urat urau urfa urff urft urra ursa urss ursu urts urur urus urut us-a usaa usaf usar usas usat usfa usfs usra ussa ussf ussr usss usst ussu usta usts usua usus utas utau utsa uttu uuta uutf uuuu uxus xaar xara xats xtar xtra xtsr xura xurs xuxa xuxu xxxx