-er -ic a-a a-c a-i aaa aac aae aaf aai aak aar ac- aca acc ace acf aci ack acr aea aec aee aef aei aek aer af- afa afc afe aff afi afk afr ai- aia aic aie aif aii aik air aka akc ake aki akk akr ar- ara arc are arf ari ark arr c-- caa cac cae caf cai cak car cca ccc cce ccf cci cck ccr ce- cea cec cee cef cei cek cer cfa cfc cfe cff cfi cfk cfr ci- cia cic cie cif cii cik cir cka ckc cki cra crc cre crf cri crk crr eaa eac eae eaf eai eak ear ec- eca ecc ece ecf eci eck ecr eea eec eee eef eek eer ef- efa efc efe eff efi efr eia eic eie eif eii eik eir eka ekc eke ekf eki ekr era erc ere erf eri erk err faa fac fae faf fai fak far fca fcc fce fcf fci fck fcr fea fec fee fef fei fek fer ffa ffc ffe fff ffi ffk ffr fia fic fie fif fii fik fir fka fkc fkf fki fkk fra frc fre frf fri frk frr i-f ia- iaa iac iae iaf iai iar ica icc ice icf ici ick icr ie- iea iec iee ief iei iek ier ifa ifc ife iff ifi ifr iia iic iie iif iii iir ika ikc ike ikf iki ikk ikr ir- ira irc ire irf iri irk irr ka- kaa kac kae kaf kai kak kar kca kcc kce kci kck kcr ke- kea kec kee kef kei kek ker kfa kfc kff kfi kia kic kie kif kii kik kir kkc kke kki kkk kkr kra krc krf kri krk krr ra- raa rac rae raf rai rak rar rca rcc rce rcf rci rcr re- rea rec ree ref rei rek rer rfa rfc rfe rff rfi rfk rfr ria ric rie rif rii rik rir rkc rke rkf rkk rra rrc rrf rri rrk rrr

a-ak a-ii aaaa aaac aaae aaaf aaai aaar aaca aacc aace aacf aaci aack aacr aaea aaec aafa aafc aaff aafi aaic aaii aaka aake aara aarc aare aari acaa acac acae acai acar acca accc acce accf acci ace- acea acec acek acer acfc acfe acfi aci- acia acic acie acif acir acke acr- acra acrc acre acri acrr aeac aeaf aeci aeer aeka aer- aera aerc aeri afaa afak afar afca afcc afci afee afek afer affa affc affi afia afif afik afir afka afkr afr- afra afrc afre afri aiai aica aicc aice aicf aicr aiea aiee aiff aiia aiic aiir aika aike aiki aira aire airi akaa akae akai akar akca akee aker akia akie akif akik akir akka akki akr- akra akre arac arae araf arai arak arar arc- arca arce arci area arec aree aref arei arek arfa arfc arff aria arie arif arii arik arka arke arki arr- arra arrc arre arri arrk arrr caaa caac caaf cac- caca cacc cace caci cack cacr caec caei caer cafa cafc cafe caff caia caic caik cair caka cake cara carc care carf cari cark carr ccaa ccac ccaf ccai ccar ccca cccc cccf ccci ccee ccfa ccfc ccff ccfi ccic ccii ccir ccra ccrc ccre ccrf ccri ceac cear cec- ceca cece ceci ceec cef- cefa cefc ceke cer- cera cerc cere cerf ceri cfaa cfac cfae cfar cfca cfcf cffr cfia cfra cfre ciaa ciak ciar cica cicc cici cicr ciee cier cifa cife ciff ciia ciii cika cikr cira circ cire ciri cirk cirr ckac ckck cker ckfi ckfr ckrc crac craf crai crar crca crcc crce crcr cre- crea crec cree crei crfc cria cric crie crif crik crkc eaaf eaca eacc eaec eaif eara eare ecaa ecac ecai ecar ecca eccc ecce ecci ecef ecfa ecfc ecfr ecka ecra ecrc ecrf ecri ecrr eeca eeea eeee eefa eefe eeka eeke eera eerc efca effa effi efic efik efke eica eick eiec eiei eier eika eike eiki eira eire eka- ekek eker ekfc ekka ekki eraf erca ercc erce erec erei erer erfc eria eric erie erik erke erki erra errc erre f--k faaa faac faca facc face fack fafa fafc fafe faff fafi faie faik fair fake faki fara farc fare fark farr fcar fcca fccf fcic fcii fcra feaf feak fear fece feck feek feer fefc fefe feff fefi feia feie feir feke fera ferc fere ferk ferr ffar ffcc ffee ffff ffii ffrr fiaa fiac fiaf fiar fica ficc fice fick fiec fief fier fifa fifc fife fiff fifi fiii fika fike fiki fira fire firk frac frae frak frcc frea free frei frfc fria fric frie frik iaaa iaac iaai iaca iacc iacr iaea iaec iafc iafe iaff iaia iara iarc iare icaa icac icaf icai icar icca iccc iccf icci iccr icea icec icee icef icer icke icra icrc icre icrf icrr ieac iecc ieie iera iere ieri ifaa ifac ifae ifar ifer ific ifra ifrf ifri iiac iica iifa iiie iiii iira iirc ikar ikea ikee iker ikki ikra ikri irac irae iraf irai irak irar irca ircc iree irer irfe iri- iria iric irie irka irki irra irrc irre irri k-ci kaaa kaaf kaai kaak kaar kacc kace kaci kaei kaer kafa kafc kafe kaff kafi kafr kaia kaic kaie kaif kaii kaik kair kaka kakc kake kaki kakk kara kare karf kari kark karr kcaa kcac kcai kcar kcca kccc kcci kcck kccr kcea kcec kcee kcei kcfa kcfc kcfi kcic kcie kcif kcii kcir kckc kckf kckk kckr kcrc kcri kcrr kea- keak kear keca keck kecr keef keek keer kefa kefc keff kefr keif keii keik keir keka kekc keke keki ker- kera kerc kere kerf keri kerk kerr kfac kfai kfar kfcf kfcr kfer kffa kfff kffk kfia kfir kfka kfra kfrc kfre kfri kfrr kiac kiai kiar kica kicc kice kick kicr kief kier kifa kife kiff kifr kiia