-ic a-a a-c a-i aaa aac aaf aai aao aap aas ac- aca acc acf aci aco acp acs af- afa afc aff afi afo afp afs ai- aia aic aif aii aio aip ais aoa aoc aof aoi aoo aop aos ap- apa apc apf api apo app aps as- asa asc asf asi aso asp ass c-- caa cac caf cai cao cap cas cca ccc ccf cci cco ccp ccs cfa cfc cff cfi cfo cfp cfs ci- cia cic cif cii cio cip cis co- coa coc cof coi coo cop cos cpa cpc cpf cpi cpo cpp cps csa csc csf csi cso csp css faa fac faf fai fao fap fas fca fcc fcf fci fco fcp fcs ffa ffc fff ffi ffo ffp ffs fia fic fif fii fip fis foa foc fof foi foo fop fos fpa fpc fpi fpo fpp fps fsa fsc fsf fsi fso fsp fss i-f ia- iaa iac iaf iai iao iap ias ica icc icf ici ico icp ics ifa ifc iff ifi ifo ifp ifs iia iic iif iii iio iip iis io- ioa ioc iof ioi ioo iop ios ipa ipc ipf ipi ipo ipp ips is- isa isc isf isi iso isp iss o-i oaa oac oaf oai oao oap oas oc- oca occ ocf oci oco ocp ocs of- ofa ofc off ofi ofo ofp ofs oia oic oif oii oio oip ois oo- ooa ooc oof ooi ooo oop oos op- opa opc opf opi opo opp ops os- osa osc osf osi oso osp oss p-p paa pac paf pai pao pap pas pca pcc pcf pci pco pcp pcs pfa pfc pff pfi pfo pfp pfs pia pic pif pii pio pip pis poa poc pof poi poo pop pos ppa ppc ppf ppi ppo ppp pps ps- psa psc psf psi pso psp pss saa sac saf sai sao sap sas sca scc scf sci sco scp scs sfa sfc sff sfi sfo sfp sfs sia sic sif sii sio sip sis soa soc sof soi soo sop sos spa spc spf spi spo spp sps ss- ssa ssc ssf ssi sso ssp sss

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-