-ic a-a a-c a-i aaa aac aaf aai aak aao aar ac- aca acc acf aci ack aco acr af- afa afc aff afi afk afo afr ai- aia aic aif aii aik aio air aka akc aki akk ako akr aoa aoc aof aoi aok aoo aor ar- ara arc arf ari ark aro arr c-- caa cac caf cai cak cao car cca ccc ccf cci cck cco ccr cfa cfc cff cfi cfk cfo cfr ci- cia cic cif cii cik cio cir cka ckc cki cko co- coa coc cof coi cok coo cor cra crc crf cri crk cro crr faa fac faf fai fak fao far fca fcc fcf fci fck fco fcr ffa ffc fff ffi ffk ffo ffr fia fic fif fii fik fir fka fkc fkf fki fkk foa foc fof foi fok foo for fra frc frf fri frk fro frr i-f ia- iaa iac iaf iai iao iar ica icc icf ici ick ico icr ifa ifc iff ifi ifo ifr iia iic iif iii iio iir ika ikc ikf iki ikk iko ikr io- ioa ioc iof ioi ioo ior ir- ira irc irf iri irk iro irr ka- kaa kac kaf kai kak kao kar kca kcc kci kck kcr kfa kfc kff kfi kfo kia kic kif kii kik kio kir kkc kki kkk kkr koa koc kof koi kok koo kor kra krc krf kri krk kro krr o-i oaa oac oaf oai oak oao oar oc- oca occ ocf oci ock oco ocr of- ofa ofc off ofi ofo ofr oia oic oif oii oik oio oir oka okc oki okk oko okr oo- ooa ooc oof ooi ook ooo oor or- ora orc orf ori ork oro orr ra- raa rac raf rai rak rao rar rca rcc rcf rci rco rcr rfa rfc rff rfi rfk rfo rfr ria ric rif rii rik rio rir rkc rkf rkk rko roa roc rof roi rok roo ror rra rrc rrf rri rrk rrr

a-ak a-ii a-ok aaaa aaac aaaf aaai aaar aaca aacc aacf aaci aack aaco aacr aafa aafc aaff aafi aaic aaii aaka aaoo aara aarc aari aaro acaa acac acai acar acca accc accf acci acco acfc acfi aci- acia acic acif acir acoa acor acr- acra acrc acri acro acrr afaa afak afao afar afca afcc afci affa affc affi affo afia afif afik afir afka afkr afoa afoo afor afr- afra afrc afri afro aiai aica aicc aicf aicr aiff aiia aiic aiir aika aiki aiko aioc aioi aira airi airo akaa akai akao akar akca akia akif akik akio akir akka akki akko akok akr- akra aoca aoki aora arac araf arai arak arar arc- arca arci arco arfa arfc arff aria arif arii arik ario arka arki arko aroa aroi aroo aror arr- arra arrc arri arrk arro arrr caaa caac caaf cac- caca cacc caci cack caco cacr cafa cafc caff caia caic caik caio cair caka caoi caor cara carc carf cari cark caro carr ccaa ccac ccaf ccai ccar ccca cccc cccf ccci ccfa ccfc ccff ccfi ccic ccii ccir ccoc ccra ccrc ccrf ccri cfaa cfac cfao cfar cfca cfcf cfco cffr cfia cfoa cfor cfra ciaa ciak ciao ciar cica cicc cici cico cicr cifa ciff ciia ciii cika ciko cikr cior cira circ ciri cirk ciro cirr ckac ckck ckco ckfi ckfr ckoa ckoc ckoi ckoo ckor ckrc coai coak coca cock coco cofc coff cofi coia coif coir cok- coka coko coof cook cor- cora corc corf cori cork coro corr crac craf crai crar crca crcc crcr crfc cria cric crif crik crkc croc crok croo cror f--k faaa faac faca facc fack fafa fafc faff fafi fafo faik faio fair faki fako fara farc fark faro farr fcar fcca fccf fcic fcii fcra ffar ffcc ffff ffii ffrr fiaa fiac fiaf fiar fica ficc fick fico fifa fifc fiff fifi fifo fiii fika fiki fior fira firk foaf foak foar foca foci fock foco fofo foia foki foof fook for- fora fori fork foro forr frac frak frcc frfc fria fric frik frio iaaa iaac iaai iaca iacc iacr iafc iaff iaia iara iarc icaa icac icaf icai icao icar icca iccc iccf icci icco iccr icoc icor icra icrc icrf icrr ifaa ifac ifao ifar ifco ific ifor ifra ifrf ifri iiac iica iifa iiii iiio iioi iioo iira iirc ikar ikki ikko ikoo ikra ikri ioci iofc ioii ioio ioko ioof iooi iooo iora iori irac iraf irai irak irao irar irca ircc iri- iria iric irio irka irki iroc irra irrc irri k-ci kaaa kaaf kaai kaak kaar kacc kaci kaco kafa kafc kaff kafi kafr kaia kaic kaif kaii kaik kaio kair kaka kakc kaki kakk kako kaoa kaoc kaoi kaok kaor kara karf kari kark karo karr kcaa kcac kcai kcar kcca kccc kcci kcck kccr kcfa kcfc kcfi kcfo kcic kcif kcii kcir kckc kckf kckk kcko kckr kcof kcor kcrc kcri kcro kcrr kfac kfai kfar kfcf kfco kfcr kffa kfff kffk kfia kfio kfir kfka kfok kfoo kfor kfra kfrc kfri kfro kfrr kiac kiai kiar kica kicc kick kicr kifa kiff kifr kiia kiic kiii kiik kika kikc kikf kiki kikk kiko kikr kioa kioc kioi kiok kioo kira kirc kirf kiri kirk kiro kirr kkaa kkac kkai kkar kkci kkck kkco kkcr kkfi kkfr kkia kkic kkik kkkk kkoa kkoo kkor kkrc kkrf kkrk kkro kkrr koac koai koak koar koca kocf koci kock kofa kofc koff kofi kofk kofo koii koir koka kokc kokf koki kokk koko kokr kooc kooi kook kooo koor kora korc korf kori kork koro korr krac krai krak krar krca krcc krci krco krfc krff krfo kria krik krio krka krkc krki krkk krko krkr kroa kroc krof kroi krok kroo kror krrc krrf krri krrk krro krrr oafc oafo oaic oara ocac ocak occa occc occi ocfa ocra ocro ocrr