a-ii aaaa aaac aaaf aaai aaap aaas aaca aacc aacf aaci aaco aacp aacs aafa aafc aaff aafi aaic aaii aais aaoo aapa aapc aapi aapo aaps aasa aasc aasf aasi aass acaa acac acai acap acas acca accc accf acci acco accp accs acfc acfi acfs aci- acia acic acif acip acis acoa acop acos acpa acpi acps acsa acsc acsi acss afaa afao afap afca afcc afci afcs affa affc affi affo affs afia afif afis afoa afoo afpa afpc afsa afsc afsp aiai aias aica aicc aicf aicp aics aiff aifs aiia aiic aioc aioi aipa aipf aipi aips aisa aisi aiso aoca aocs aopo aosp aoss apac apai apao apap apas apca apcc apco apcs apfa apfc apfo api- apia apic apio apip apis apo- apoc apof apoo apop apos appa appc apps apsa apsi apso apss asaa asac asaf asai asao asap asas asc- asca ascc asci asco ascp asfa asfi asia asic asif asii asio asip asis asoc asof asoi asop asos aspa aspc aspi aspo asps assa assc assi asso assp asss caaa caac caaf caap caas cac- caca cacc caci caco cafa cafc caff cafs caia caic caio caip cais caoi caos capa capc capi capo capp caps casa casc casi caso casp cass ccaa ccac ccaf ccai ccap ccas ccca cccc cccf ccci cccp cccs ccfa ccfc ccff ccfi ccic ccii ccip ccis ccoc ccpa ccpp ccps ccsa ccsf ccsi ccsp ccss cfaa cfac cfao cfca cfcf cfco cfcs cfia cfoa cfos cfpa cfpo cfps cfsa cfsi ciaa ciao cias cica cicc cici cico cics cifa ciff cifs ciia ciii ciis cios cipa cipf cipo cipp cips cis- cisa cisc cisp ciss coai coas coca coco cocp cofc coff cofi cofs coia coif coip cois coof coop coos copa copi copo copp cops cosa cosc cosi coso cosp coss cpaa cpac cpaf cpap cpas cpca cpcs cpff cpia cpic cpif cpio cpos cppa cpps cpsa cpsc cpso csaa csac csao csas cscc cscf csci csco cscs csfc csia csio csis csos cspa cspc cspi csps cssa faaa faac faap faas faca facc facp facs fafa fafc faff fafi fafo faio fais fapa fapp faps fasa fasc fasi faso fass fcap fcas fcca fccf fccp fcic fcii fcpa fcps fcsc ffcc ffff ffii ffps ffsa ffss fiaa fiac fiaf fiap fias fica ficc fico fics fifa fifc fiff fifi fifo fiii fios fipa fipp fips fisa fisc fisi fiss foaf foca foci foco focs fofo foia fois foof foos fopp fops fosa fosi foso foss fp-c fpaa fpas fpcc fsai fsas fscc fsfi fsfo fsia fspc fspf fssa fssc fssf fssp iaaa iaac iaai iaap iaas iaca iacc iacp iacs iafc iaff iafp iaia iais iapa iapf iapp iaps iasa iasc iasi iaso iasp icaa icac icaf icai icao icap icas icca iccc iccf icci icco iccp iccs icis icoc icos icpa icpc icpo icps icsa icsc icsi icsp icss ifaa ifac ifao ifas ifco ifcp ific ifis ifpa ifpo ifps ifsa ifsc ifso ifsp iiac iias iica iifa iiii iiio iiis iioi iioo iiop iios iipa iipf iisc iisi iisp ioci iocp iofc ioii ioio ioof iooi iooo ioos iops ioso ipac ipaf ipas ipca ipcc ipcs ipfc ipop ipos ippa ippc ippf ippo ipsa ipsc ipsi ipso ipsp ipss is-a isac isaf isai isao isas isca iscc isci isco iscp iscs isfa isfc isfp isia isic isis iso- isoc isof isop isos ispa ispc ispf isps issa issc issf issi isso issp isss oafc oafo oafs oaic oais oapi oaps oasc oasi oass ocac ocap ocas occa occc occi ocfa ocfp ocis ocos ocpa ocpp ocsa ofas off- offa offc offo offs oici oiii oios oipc oisc ooaa ooff oofs ooia oooo ooos oops oosa oosi opap opca opia opic opii opio opis opo- opos oppa oppi oppo opps opsa opsi osaf osai osap osas osca oscc osci osco osfa osia osii osip osis osoi osoo osos ossa ossi osso paap paas paca paci paco pacs pafa pafc paff paia paio paip pais paoc paos papa papi papp paps pasa pasc pasi paso pasp pass pcaa pcaf pcap pcas pcca pccc pccs pcfc pcia pcip pcoa pcos pcpp pcps pcsa pcso pfaa pfas pfcs pfff pfic pfis pfps piaf piai piao pias pica picc pici pico pics pifa piff pifs piia piip pipa pipi pipo pipp pips pisa pisi piso piss poas poca poco pocs poff pofi poia poio pois poof poop poos pop- popa popc popi popo popp pops posa posi poso poss ppac ppap ppcc ppci ppcs ppfa ppic ppif ppoa ppos pppa pppo pppp ppps ppsf ppss psac psap psas psca psci psco psfs psia psip psis psoa psoc psoi psos pspi pspp psps pssa pssc psso s-ic s-ii s-os sa-c saac saaf saap saas saca sacc saci saco sacs safa safc saff safi safo saia saic saif saip sais saoi saos sapa sapi sapo sapp saps sasa sasc sasf sasi saso sass scaa scac scaf scai scap scas sccc sccp sccs scfa scfc scfi sci- scia scic scif scio scip scis scoo scop scpa scpi scpo scps scsa scsc scsi scso sfas sfca sfcc sfco sfcs sffc sfia sfio sfos sfpa sfpc sfss siaa siac siaf siai sias sica sicc sici sico sicp sics sifa siff sifo siop sios sipa sipc sipi sipo sipp sips sisa sisc sisi siss soap soas soca soci soco socs sofa sofi sofo soia soic soif sois soof soop soos sopa sopi sopo sopp sops sosa sosi soso soss sp-a spac spap spas spca spcc spco spcs spfc spfs spia spic spio spip spis spoc spoo spop spos sppf spps spsa spso spsp spss ssaa ssac ssao ssap ssas ssca sscc ssci sscp sscs ssfc ssfp ssis ssoc ssop sspa sspc sspf sspo ssps sssa sssc sssf sssi ssss