-ic a-a a-c a-i aaa aac aaf aai aak aao aap aar ac- aca acc acf aci ack aco acp acr af- afa afc aff afi afk afo afp afr ai- aia aic aif aii aik aio aip air aka akc aki akk ako akp akr aoa aoc aof aoi aok aoo aop aor ap- apa apc apf api apk apo app apr ar- ara arc arf ari ark aro arp arr c-- caa cac caf cai cak cao cap car cca ccc ccf cci cck cco ccp ccr cfa cfc cff cfi cfk cfo cfp cfr ci- cia cic cif cii cik cio cip cir cka ckc cki cko co- coa coc cof coi cok coo cop cor cpa cpc cpf cpi cpk cpo cpp cpr cra crc crf cri crk cro crp crr faa fac faf fai fak fao fap far fca fcc fcf fci fck fco fcp fcr ffa ffc fff ffi ffk ffo ffp ffr fia fic fif fii fik fip fir fka fkc fkf fki fkk fkp foa foc fof foi fok foo fop for fpa fpc fpi fpk fpo fpp fpr fra frc frf fri frk fro frp frr i-f ia- iaa iac iaf iai iao iap iar ica icc icf ici ick ico icp icr ifa ifc iff ifi ifo ifp ifr iia iic iif iii iio iip iir ika ikc ikf iki ikk iko ikr io- ioa ioc iof ioi ioo iop ior ipa ipc ipf ipi ipo ipp ipr ir- ira irc irf iri irk iro irp irr ka- kaa kac kaf kai kak kao kap kar kca kcc kci kck kcp kcr kfa kfc kff kfi kfo kia kic kif kii kik kio kip kir kkc kki kkk kkp kkr koa koc kof koi kok koo kop kor kpa kpc kpf kpi kpk kpo kpp kpr kra krc krf kri krk kro krp krr o-i oaa oac oaf oai oak oao oap oar oc- oca occ ocf oci ock oco ocp ocr of- ofa ofc off ofi ofo ofp ofr oia oic oif oii oik oio oip oir oka okc oki okk oko okp okr oo- ooa ooc oof ooi ook ooo oop oor op- opa opc opf opi opk opo opp opr or- ora orc orf ori ork oro orp orr p-p paa pac paf pai pak pao pap par pca pcc pcf pci pck pco pcp pcr pfa pfc pff pfi pfk pfo pfp pfr pia pic pif pii pik pio pip pir pka pkc pkf pki pko pkp pkr poa poc pof poi pok poo pop por ppa ppc ppf ppi ppk ppo ppp ppr pra prc prf pri prk pro prp prr ra- raa rac raf rai rak rao rap rar rca rcc rcf rci rco rcp rcr rfa rfc rff rfi rfk rfo rfp rfr ria ric rif rii rik rio rip rir rkc rkf rkk rko rkp roa roc rof roi rok roo rop ror rpa rpc rpf rpi rpk rpo rpp rpr rra rrc rrf rri rrk rrp rrr

a-ak a-ii a-ok aaaa aaac aaaf aaai aaap aaar aaca aacc aacf aaci aack aaco aacp aacr aafa aafc aaff aafi aaic aaii aaka aaoo aapa aapc aapi aapo aara aarc aari aaro aarp acaa acac acai acap acar acca accc accf acci acco accp acfc acfi aci- acia acic acif acip acir acoa acop acor acpa acpi acpr acr- acra acrc acri acro acrr afaa afak afao afap afar afca afcc afci affa affc affi affo afia afif afik afir afka afkr afoa afoo afor afpa afpc afr- afra afrc afri afro aiai aica aicc aicf aicp aicr aiff aiia aiic aiir aika aiki aiko aioc aioi aipa aipf aipi aira airi airo airp akaa akai akao akap akar akca akia akif akik akio akir akka akki akko akok akpo akr- akra aoca aoki aokp aopo aora apac apai apak apao apap apar apca apcc apco apcr apfa apfc apfo api- apia apic apio apip apo- apoc apof apoo apop apor appa appc appr apra aprc apri apro arac araf arai arak arap arar arc- arca arci arco arfa arfc arff aria arif arii arik ario arip arka arki arko aroa aroi aroo aror arpa arpi arr- arra arrc arri arrk arro arrr caaa caac caaf caap cac- caca cacc caci cack caco cacr cafa cafc caff caia caic caik caio caip cair caka caoi caor capa capc capi capo capp cara carc carf cari cark caro carp carr ccaa ccac ccaf ccai ccap ccar ccca cccc cccf ccci cccp ccfa ccfc ccff ccfi ccic ccii ccip ccir ccoc ccpa ccpp ccpr ccra ccrc ccrf ccri ccrp cfaa cfac cfao cfar cfca cfcf cfco cffr cfia cfoa cfor cfpa cfpo cfpr cfra cfrp ciaa ciak ciao ciar cica cicc cici cico cicr cifa ciff ciia ciii cika ciko cikr cior cipa cipf cipo cipp cira circ ciri cirk ciro cirr ckac ckck ckco ckfi ckfr ckoa ckoc ckoi ckoo ckor ckpc ckpr ckrc coai coak coca cock coco cocp cofc coff cofi coia coif coip coir cok- coka coko coof cook coop copa copi copo copp copr cor- cora corc corf cori cork coro corp corr cpaa cpac cpaf cpap cpca cpff cpia cpic cpif cpio cppa cpri crac craf crai crap crar crca crcc crcr crfc cria cric crif crik crip crkc crkp croc crok croo crop cror crpc f--k faaa faac faap faca facc fack facp fafa fafc faff fafi fafo faik faio fair faki fako fapa fapp fara farc fark faro farp farr fcap fcar fcca fccf fccp fcic fcii fcpa fcra ffar ffcc ffff ffii ffrr fiaa fiac fiaf fiap fiar fica ficc fick fico fifa fifc fiff fifi fifo fiii fika fiki fior fipa fipp fira firk foaf foak foar foca foci fock foco fofo foia foki foof fook fopp for- fora fori fork foro forr fp-c fpaa fpcc fpra fprf frac frak frap frcc frcp frfc fria fric frik frio frip frop iaaa iaac iaai iaap iaca