a-ii aaaa aaab aaac aaai aaap aaar aaas aaba aabb aabc aabi aabp aaca aacb aacc aaci aacp aacr aacs aacu aaib aaic aaii aais aapa aapc aapi aaps aara aarc aari aarp aars aaru aasa aasc aasi aass aasu aaup aaus abaa abab abac abai abap abar abas abau abb- abba abbb abbi abbr abbs abca abcb abcc abci abcp abcr abcs abia abib abic abir abis abiu abpa abpc abpi abpp abpr abps abra abrc abri abrs abs- absa absi absp abss absu abua abus acaa acab acac acai acap acar acas acba acca accc acci accp accs accu aci- acia acic acip acir acis acpa acpi acpr acps acpu acr- acra acrc acri acrr acrs acsa acsc acsi acss acu- acup acur acus aiai aias aiba aica aicc aicp aicr aics aiia aiib aiic aiir aipa aipi aips aira airi airp airs aisa aisb aisi aisr aiui apac apai apap apar apas apba apbr apbs apca apcb apcc apcr apcs api- apia apic apip apis appa appc appr apps appu apra aprc apri aprs apsa apsi apss apsu apua apuc apup apus arab arac arai arap arar aras arau arba arbi arbs arc- arca arci arcs aria arib arii arip aris arpa arpi arps arpu arr- arra arrc arri arrr arrs arru ars- arsa arsc arsi arsu arua arub arui arup asaa asab asac asai asap asar asas asau asba asbu asc- asca ascb ascc asci ascp ascr asia asic asii asip asir asis aspa aspc aspi aspr asps asra asrc asrs asru assa assc assi assp assr asss assu asub asui asur asus auaa auca auci aucp auis aupc aups aur- aura auri ausa ausu ba-i baaa baar baas baba babb babi babr babs babu bac- baca bacc baci bacs baia baib baic bair bais bapa bapc bapi bapp baps bapu bar- bara barb barc bari barr bars baru basa basc basi bass basu bau- baur bbas bbau bbbb bbbs bbci bbpr bbrc bcaa bcap bcar bcas bcbc bcbp bcbs bcca bccc bcci bccs bcia bcis bcpp bcps bcra bcrs bcru bcsa bcsc bcss bcuc bcup biap biar bias biba bibb bibi bibs bica bicc bici bics biis bipa bipp bips bipu bira birb biri birr birs biru bis- bisa bisc bisp biss bisu bpai bpcp bprc bpsa bpsu brab brac brai bras brau brca brcb bria bric bris brrr brrs brsb brsr bruc brup brus bsaa bsac bsap bsas bsci bscp bscs bsic bspp bspr bsra bssc bsup buar buba bubb bubi bubs bubu buca bucc buci bucs bucu buic buir buis buiu bupa bupc bups bur- bura burb buri burp burr burs buru busa busc busi buss busu buus caaa caab caac caap caas caba cabi cabs cabu cac- caca cacc caci cacr caia caib caic caip cair cais caiu capa capb capc capi capp caps capu cara carb carc cari carp carr cars casa casb casc casi casp casr cass casu cauc caup caus cbac cbar cbbc cbbs cbca cbcc cbcp cbcr cbcs cbcu cbia cbir cbpc cbpp cbsa cbsc cbsi cbus ccaa ccab ccac ccai ccap ccar ccas ccba ccbc ccca cccb cccc ccci cccp cccs cccu ccic ccii ccip ccir ccis ccpa ccpp ccpr ccps ccra ccrc ccri ccrp ccrs ccsa ccsi ccsp ccss ccuc ccup ccus ciaa ciar cias ciau ciba cibc cibi cica cicc cici cicr cics cicu ciia ciii ciis cipa cipp cips cira cirb circ ciri cirr cirs cis- cisa cisc cisp cisr ciss ciuc ciup cius cpaa cpac cpap cpas cpbc cpca cpcs cpcu cpia cpic cppa cpps cpri cprs cpsa cpsc cpsr cpsu cpus crab crac crai crap crar cras crau crbc crbu crca crcc crcr cria crib cric crip cris criu crpc crps crsa crsp crss crub crup crus csaa csab csac csar csas cscb cscc csci cscr cscs csia csib csir csis cspa cspb cspc cspi csps csra csrc csrs cssa cssr csua csup csur csus cuau cub- cuba cubb cubi cubs cuca cucc cuci cui- cuir cuis cupp cupr cups cura curb curi curr curs cusa cusb cusp cuss cusu iaaa iaac iaai iaap iaas iaba iaca iacc iacp iacr iacs iacu iaia iais iapa iapp iaps iapu iara iarc iars iaru iasa iasc iasi iasp iasr ibac ibar ibas ibca ibcs ibia ibis ibra ibrc ibri ibsa ibss ibus icaa icab icac icai icap icar icas icbc icbp icbs icca iccb iccc icci iccp iccr iccs iccu icis icpa icpc icps icra icrc icrr icrs icru icsa icsb icsc icsi icsp icsr icss icub icup icus iiac iias iica iiii iiis iipa iira iirc iirs iisc iisi iisp iisr iisu iiuc ipac ipas ipba ipca ipcc ipcs ippa ippc ippr ipri ipsa ipsc ipsi ipsp ipss ipur ipus irac irai irap irar iras irbp irca ircc ircs ircu iri- iria iric irip iris irpa irpc irps irra irrc irri irrs irsa irsp irus is-a isac isai isar isas isba isca iscc isci iscp iscr iscs iscu isia isic isis ispa ispc ispr isps isra isri isrp issa issc issi issp issr isss issu isua isup isus iucc iuiu iupa iupp iura iuss paap paar paas paba pabu paca paci pacs pacu paia paib paip pair pais papa papb papi papp papr paps par- para parc pari parp parr pars paru pasa pasc pasi pasp pass paua paup paur paus pbac pbar pbcc pbpa pbrs pbsa pbsp pcaa pcap pcas pcba pcbc pcbs pcca pccc pccs pcia pcip pcpb pcpp pcps pcra pcrc pcsa piai pias piau pibb pibi pica picc pici picr pics picu piia piip pipa pipi pipp pips pira pirc piri pirr pirs piru pisa pisi piss pisu pius ppac ppap ppar ppcc ppci ppcs ppib ppic pppa pppp ppps pprc ppru ppss ppur prai prar pras prau prbc prbs prca prcc prcp prcs pri- pria prii pris prps prri prrs prsa prsc prsi prss prus pruu psac psap psas psbr psca psci pscu psia psip psis pspi pspp pspr psps psrp pssa pssc puar puas pubs pubu puca