a-ii aaaa aaac aaaf aaai aaap aaas aaca aacc aacf aaci aacp aacs aafa aafc aaff aafi aaic aaii aais aapa aapc aapi aaps aasa aasc aasf aasi aass acaa acac acai acap acas acca accc accf acci accp accs acfc acfi acfs aci- acia acic acif acip acis acpa acpi acps acsa acsc acsi acss afaa afap afca afcc afci afcs affa affc affi affs afia afif afis afix afpa afpc afsa afsc afsp aiai aias aica aicc aicf aicp aics aiff aifs aiia aiic aipa aipf aipi aips aisa aisi aixa aixi apac apai apap apas apax apca apcc apcs apfa apfc api- apia apic apip apis apix appa appc apps appx apsa apsi apss apxs asaa asac asaf asai asap asas asc- asca ascc asci ascp ascx asfa asfi asia asic asif asii asip asis asix aspa aspc aspi asps assa assc assi assp asss axaf axfs axi- axia axis axps caaa caac caaf caap caas cac- caca cacc caci cafa cafc caff cafs caia caic caip cais caix capa capc capi capp caps capx casa casc casi casp cass caxa ccaa ccac ccaf ccai ccap ccas ccca cccc cccf ccci cccp cccs ccfa ccfc ccff ccfi ccic ccii ccip ccis ccix ccpa ccpp ccps ccsa ccsf ccsi ccsp ccss ccxi cfaa cfac cfax cfca cfcf cfcs cfia cfix cfpa cfps cfsa cfsi cfsx ciaa cias cica cicc cici cics cifa ciff cifs ciia ciii ciis cipa cipf cipp cips cis- cisa cisc cisp ciss cixi cpaa cpac cpaf cpap cpas cpca cpcs cpff cpia cpic cpif cpix cppa cpps cpsa cpsc cpsx csaa csac csas cscc cscf csci cscs csfc csia csis csix cspa cspc cspi csps cssa cxfs cxii cxix cxxi cxxx faaa faac faap faas faca facc facp facs fafa fafc faff fafi fais faix fapa fapp faps fasa fasc fasi fass faxi fcap fcas fcca fccf fccp fcic fcii fcpa fcps fcsc ffcc ffff ffii ffps ffsa ffss fiaa fiac fiaf fiap fias fica ficc fics fifa fifc fiff fifi fiii fipa fipp fips fisa fisc fisi fiss fixx fp-c fpaa fpas fpcc fsai fsas fscc fsfi fsia fsix fspc fspf fssa fssc fssf fssp fxsp iaaa iaac iaai iaap iaas iaca iacc iacp iacs iafc iaff iafp iaia iais iapa iapf iapp iaps iapx iasa iasc iasi iasp icaa icac icaf icai icap icas icca iccc iccf icci iccp iccs icis icpa icpc icps icsa icsc icsi icsp icss ifaa ifac ifas ifcp ific ifis ifpa ifps ifsa ifsc ifsp iiac iias iica iifa iiii iiis iipa iipf iisc iisi iisp ipac ipaf ipas ipca ipcc ipcs ipfc ipix ippa ippc ippf ipsa ipsc ipsi ipsp ipss is-a isac isaf isai isas isca iscc isci iscp iscs isfa isfc isfp isia isic isis ispa ispc ispf isps issa issc issf issi issp isss ixia ixxi paap paas paca paci pacs pacx pafa pafc paff paia paip pais paix papa papi papp paps pasa pasc pasi pasp pass paxi pcaa pcaf pcap pcas pcca pccc pccs pcfc pcia pcip pcpp pcps pcsa pfaa pfas pfcs pfff pfic pfis pfps piaf piai pias pica picc pici pics pifa piff pifs piia piip pipa pipi pipp pips pisa pisi piss pixx ppac ppap ppcc ppci ppcs ppfa ppic ppif pppa pppp ppps ppsf ppss psac psap psas psca psci psfs psia psip psis pspi pspp psps pssa pssc s-ic s-ii sa-c sa-x saac saaf saap saas saca sacc saci sacs safa safc saff safi saia saic saif saip sais saix sapa sapi sapp saps sasa sasc sasf sasi sass saxa saxi scaa scac scaf scai scap scas sccc sccp sccs scfa scfc scfi sci- scia scic scif scip scis scpa scpi scps scsa scsc scsi sfas sfax sfca sfcc sfcs sffc sfia sfpa sfpc sfss siaa siac siaf siai sias sica sicc sici sicp sics sifa siff sipa sipc sipi sipp sips sisa sisc sisi siss sixa sixx sp-a spac spap spas spax spca spcc spcs spfc spfs spia spic spip spis spix sppf spps spsa spsp spss ssaa ssac ssap ssas ssca sscc ssci sscp sscs ssfc ssfp ssis sspa sspc sspf ssps sspx sssa sssc sssf sssi ssss x-fi xapi xcas xcii xcis xiap xica xics xiii xisi xixi xpac xpax xpcc xxii xxix xxxi xxxx