-ic a-a a-c a-i aaa aac aae aaf aai aak aao aap ac- aca acc ace acf aci ack aco acp aea aec aee aef aei aek aeo aep af- afa afc afe aff afi afk afo afp ai- aia aic aie aif aii aik aio aip aka akc ake aki akk ako akp aoa aoc aoe aof aoi aok aoo aop ap- apa apc ape apf api apk apo app c-- caa cac cae caf cai cak cao cap cca ccc cce ccf cci cck cco ccp ce- cea cec cee cef cei cek ceo cep cfa cfc cfe cff cfi cfk cfo cfp ci- cia cic cie cif cii cik cio cip cka ckc cki cko co- coa coc coe cof coi cok coo cop cpa cpc cpe cpf cpi cpk cpo cpp eaa eac eae eaf eai eak eao eap ec- eca ecc ece ecf eci eck eco eea eec eee eef eek eeo eep ef- efa efc efe eff efi efo efp eia eic eie eif eii eik eio eip eka ekc eke ekf eki eko ekp eo- eoa eoc eoe eof eoi eok eoo eop ep- epa epc epe epf epi epo epp faa fac fae faf fai fak fao fap fca fcc fce fcf fci fck fco fcp fea fec fee fef fei fek feo fep ffa ffc ffe fff ffi ffk ffo ffp fia fic fie fif fii fik fip fka fkc fkf fki fkk fkp foa foc foe fof foi fok foo fop fpa fpc fpe fpi fpk fpo fpp i-f ia- iaa iac iae iaf iai iao iap ica icc ice icf ici ick ico icp ie- iea iec iee ief iei iek iep ifa ifc ife iff ifi ifo ifp iia iic iie iif iii iio iip ika ikc ike ikf iki ikk iko io- ioa ioc ioe iof ioi ioo iop ipa ipc ipe ipf ipi ipo ipp ka- kaa kac kae kaf kai kak kao kap kca kcc kce kci kck kcp ke- kea kec kee kef kei kek keo kep kfa kfc kff kfi kfo kia kic kie kif kii kik kio kip kkc kke kki kkk kkp koa koc koe kof koi kok koo kop kpa kpc kpe kpf kpi kpk kpo kpp o-i oaa oac oae oaf oai oak oao oap oc- oca occ ocf oci ock oco ocp oea oec oee oef oei oeo oep of- ofa ofc ofe off ofi ofo ofp oia oic oie oif oii oik oio oip oka okc oke oki okk oko okp oo- ooa ooc oof ooi ook ooo oop op- opa opc ope opf opi opk opo opp p-p paa pac pae paf pai pak pao pap pca pcc pce pcf pci pck pco pcp pea pec pee pef pei pek peo pep pfa pfc pfe pff pfi pfk pfo pfp pia pic pie pif pii pik pio pip pka pkc pke pkf pki pko pkp poa poc poe pof poi pok poo pop ppa ppc ppe ppf ppi ppk ppo ppp

a-ak a-ii a-ok aaaa aaac aaae aaaf aaai aaap aaca aacc aace aacf aaci aack aaco aacp aaea aaec aaep aafa aafc aaff aafi aaic aaii aaka aake aaoe aaoo aapa aapc aapi aapo acaa acac acae acai acap acca accc acce accf acci acco accp ace- acea acec acek acfc acfe acfi aci- acia acic acie acif acip acke acoa acoe acop acpa acpe acpi aeac aeaf aeap aeci aeio aeka afaa afak afao afap afca afcc afci afee afek affa affc affi affo afia afif afik afka afoa afoe afoo afpa afpc afpe aiai aica aicc aice aicf aicp aiea aiee aiff aiia aiic aika aike aiki aiko aioc aioi aipa aipe aipf aipi akaa akae akai akao akap akca akee akia akie akif akik akio akka akki akko akok akpo aoca aoce aoki aokp aopo apac apai apak apao apap apca apcc apco apea apec apep apfa apfc apfo api- apia apic apie apio apip apke apo- apoc apoe apof apoo apop appa appc caaa caac caaf caap cac- caca cacc cace caci cack caco caec caei cafa cafc cafe caff caia caic caik caio caip caka cake caoi capa capc cape capi capo capp ccaa ccac ccaf ccai ccap ccca cccc cccf ccci cccp ccee ccfa ccfc ccff ccfi ccic ccii ccip ccoc ccpa ccpe ccpp ceac cec- ceca cece ceci ceco cecp ceec cef- cefa cefc ceip ceke ceop cepa cepc cepe cepo cepp cfaa cfac cfae cfao cfca cfcf cfco cfia cfoa cfpa cfpo ciaa ciak ciao cica cicc cici cico ciee cifa cife ciff ciia ciii cika ciko cipa cipf cipo cipp ckac ckck ckco ckfi ckoa ckoc ckoi ckoo ckpc coai coak coca coce cock coco cocp coep cofc cofe coff cofi coia coif coip cok- coka coke coko coof cook coop copa cope copi copo copp cpaa cpac cpaf cpap cpca cpce cpea cpep cpff cpia cpic cpif cpio cppa eaaf eaca eacc eaec eaif eaop eapc eapp ecaa ecac ecai ecao ecca eccc ecce ecci ecco ecef ecfa ecfc ecip ecka ecko eco- ecop ecpa ecpp eeca eeea eeee eefa eefe eeka eeke eeoc efca efco efeo effa effi efic efik efke efpa eiao eica eick eico eiec eiei eika eike eiki eiko eipo eka- ekco ekek ekfc ekka ekki ekoa ekoi ekpe ekpo eoka epaa epac epcc epci epec epee epfa epfc epi- epia epic epie epik epip epoc eppa eppc eppo eppp f--k faaa faac faap faca facc face fack facp fafa fafc fafe faff fafi fafo faie faik faio fake faki fako fapa fape fapp fcap fcca fccf fccp fcic fcii fcpa feaf feak feap fece feck feek fefc fefe feff fefi fefo feia feie feio feke feko feof fepa fepc ffcc ffee ffff ffii fiaa fiac fiaf fiap fica ficc fice fick fico fiec fief fifa fifc fife fiff fifi fifo fiii fika fike fiki fioe fipa fipp foaf foak foca foce foci fock foco fofo foia foie foke foki foof