a-fu aaaa aaac aaaf aaap aaar aaas aaca aacc aacf aacp aacr aacs aacu aafa aafc aaff aapa aapc aaps aara aarc aarp aars aaru aasa aasc aasf aass aasu aaup aaus acaa acac acap acar acas acca accc accf accp accs accu acfc acfs acpa acpr acps acpu acr- acra acrc acrr acrs acsa acsc acss acu- acuf acup acur acus afaa afap afar afca afcc afcs afcu affa affc affs afpa afpc afr- afra afrc afrs afru afsa afsc afsp afua afus apac apap apar apas apca apcc apcr apcs apfa apfc appa appc appr apps appu apra aprc aprs apsa apss apsu apua apuc apup apus arac araf arap arar aras arau arc- arca arcs arfa arfc arff arfs arfu arpa arps arpu arr- arra arrc arrr arrs arru ars- arsa arsc arsu arua arup asaa asac asaf asap asar asas asau asc- asca ascc ascp ascr asfa aspa aspc aspr asps asra asrc asrs asru assa assc assp assr asss assu asur asus auaa auca aucp aufc aufs aupc aups aur- aura ausa ausu caaa caac caaf caap caas cac- caca cacc cacr cafa cafc caff cafs cafu capa capc capp caps capu cara carc carf carp carr cars casa casc casp casr cass casu cauc cauf caup caus ccaa ccac ccaf ccap ccar ccas ccca cccc cccf cccp cccs cccu ccfa ccfc ccff ccpa ccpp ccpr ccps ccra ccrc ccrf ccrp ccrs ccsa ccsf ccsp ccss ccuc ccup ccus cfaa cfac cfar cfca cfcf cfcs cffr cfpa cfpr cfps cfra cfrp cfsa cpaa cpac cpaf cpap cpas cpca cpcs cpcu cpff cppa cpps cprs cpsa cpsc cpsr cpsu cpus crac craf crap crar cras crau crca crcc crcr crfc crfs crpc crps crsa crsp crss crup crus csaa csac csar csas cscc cscf cscr cscs csfc csfr cspa cspc csps csra csrc csrs cssa cssr csua csuf csup csur csus cuau cuca cucc cufa cufc cuff cupp cupr cups cura curf curr curs cusa cusp cuss cusu faaa faac faap faas faca facc facp facs fafa fafc faff fapa fapp faps fara farc farp farr fars faru fasa fasc fass faur fcap fcar fcas fcca fccf fccp fcpa fcps fcra fcsc fcup ffar ffcc ffff ffps ffrr ffsa ffss fp-c fpaa fpas fpcc fpra fprf frac frap fras frau frcc frcp frfc frps frsc fsas fscc fspc fspf fsra fssa fssc fssf fssp fuar fuc- fuca fufc fuff fufu fur- fura furr furs fusa fusc fuss fusu paap paar paas paca pacs pacu pafa pafc paff papa papp papr paps par- para parc parf parp parr pars paru pasa pasc pasp pass paua paup paur paus pcaa pcaf pcap pcas pcca pccc pccs pcfc pcpp pcps pcra pcrc pcrf pcsa pfaa pfas pfcs pfff pffr pfps pfra ppac ppap ppar ppcc ppcs ppfa pppa pppp ppps pprc pprf ppru ppsf ppss ppur prar pras prau prca prcc prcf prcp prcs prfc prfs prps prrs prsa prsc prss pruf prus pruu psac psap psas psca pscu psfs pspp pspr psps psrp pssa pssc puar puas puca puff pupa pups pupu pur- pura purp purr purs puru pusa puss puuc raaf raas rac- raca racc racs racu rafa rafc raff rapa rapc rapp raps rara rarf rars rasa rasc rasp rass rasu raua rauc rauf raup raus rcac rcaf rcas rccc rccs rcfc rcps rcsa rcsc rcss rffc rpca rpcs rpfc rpps rras rrfc rrrr rrsp rsaa rsaf rscc rscs rsfc rsps rssa rsua ruas ruca rufa rufc ruff rupa rupp rura rurc rurp rurs ruru rusa russ rusu sa-c saac saaf saap saar saas saca sacc sacr sacs sacu safa safc saff safr safu sapa sapp saps sara sarc sarf sarp sarr sars saru sasa sasc sasf sass saua sauc sauf saup saur saus scaa scac scaf scap scar scas sccc sccp sccs scfa scfc scpa scps scr- scra scrc scrs scsa scsc scsr scsu scua scup scur sfar sfas sfca sfcc sfcs sffc sfpa sfpc sfra sfrc sfss sfsu sp-a spac spap spar spas spau spca spcc spcs spfc spfs sppf spps sprs spsa spsp spss spur spus sraf sras srcc srfc srpc srps srsp ssaa ssac ssap ssas ssau ssca sscc sscp sscs ssfc ssfp sspa sspc sspf ssps ssra ssrc ssrs sssa sssc sssf ssss suar suas suc- succ sucr sucs suf- sufa sufc suff sufr sufs sufu sup- supa supp supr sups sur- sura surc surf surp surr surs suru sus- susa susp suss susu suus u-rp uaca uafa uarc uars uaru uasa uasp uaua ucar ucas ucca uccp ucfa ucpa ucrc ucsa ucsc ucsf ucsu ucua ufcu uffa ufra upac upar upas upca upcs uppa uppc uppp uppu upra upsa upsc upup urac urap uras urau urca urfa urff urra ursa urss ursu urup urur urus us-a usaa usac usaf usap usar usas usca uscc uscf uscs usfa usfc usfs uspa uspc uspp usps usra ussa ussc ussf ussr usss ussu usua usus uucp uuuu