a-fu aaaa aaad aaaf aaar aaas aada aads aadu aafa aafd aaff aara aard aars aaru aasa aasd aasf aass aasu aaus adaa adad adar adas adda addd addr adds addu adfa adfs adra adrs adsa adsr adss adua adur afaa afad afar affa affs afr- afra afrs afru afsa afua afud afus arad araf arar aras arau arda ardf ards ardu arfa arff arfs arfu arr- arra arrr arrs arru ars- arsa arsd arsu arua arud asaa asad asaf asar asas asau asda asdf asds asfa asra asrs asru assa assd assr asss assu asud asur asus auaa aufs aur- aura aurd ausa ausd ausu daad daar daas daau dada dads dadu dafa daff dafs dara dard darf darr dars daru dasa dasd dass daud daur daus dddd ddss dfaf dfas dfds dffa dfrf draa drad draf drar dras drau drda drra drrs drsa drua drus druu dsda dsdr dsfa dsrr dssa duaa duad duar duas duda dudd duds dudu duff dufu dura duru dusa duur faaa faad faas fada fadd fads fafa faff fara fard farr fars faru fasa fasd fass faud faur ffar ffff ffrr ffsa ffss frad fras frau fsas fsra fssa fssf fuad fuar fuda fudd fuff fufu fur- fura furr furs fusa fusd fuss fusu raad raaf raas rada radd radr rads radu rafa raff rara rarf rars rasa rasd rass rasu raua raud rauf raus rdas rdfa rfds rrad rras rrrr rsaa rsaf rsdd rsds rssa rsua ruad ruas ruda rudd ruds rufa ruff rura rurd rurs ruru rusa russ rusu ruud saad saaf saar saas sada sadd sadr sads sadu safa saff safr safu sara sard sarf sarr sars saru sasa sasd sasf sass saua saud sauf saur saus sdau sdds sdrs sdsf sdss sdsu sfar sfas sfra sfss sfsu sraf sras srsd ssaa ssas ssau ssdd ssdf ssra ssrs sssa sssf ssss suar suas suda sudd suds suf- sufa suff sufr sufs sufu sur- sura surd surf surr surs suru sus- susa susd suss susu suus uafa uars uaru uasa uasd uaua udaa udad udar udas udau udds udra udsd uffa ufra urad uras urau urda urds urdu urfa urff urra ursa urss ursu urur urus us-a usaa usad usaf usar usas usda usdf usds usfa usfs usra ussa ussf ussr usss ussu usua usus uuuu