-er a-a a-c aaa aac aae aaf aak aan aar ac- aca acc ace acf ack acn acr aea aec aee aef aek aen aer af- afa afc afe aff afk afn afr aka akc ake akk akn akr an- ana anc ane anf ank ann anr ar- ara arc are arf ark arn arr c-- caa cac cae caf cak can car cca ccc cce ccf cck ccn ccr ce- cea cec cee cef cek cen cer cfa cfc cfe cff cfk cfn cfr cka ckc cn- cna cnc cne cnf cnn cnr cra crc cre crf crk crn crr eaa eac eae eaf eak ean ear ec- eca ecc ece ecf eck ecn ecr eea eec eee eef eek een eer ef- efa efc efe eff efr eka ekc eke ekf ekr en- ena enc ene enf enk enn enr era erc ere erf erk ern err faa fac fae faf fak fan far fca fcc fce fcf fck fcn fcr fea fec fee fef fek fen fer ffa ffc ffe fff ffk ffn ffr fka fkc fkf fkk fna fnc fne fnf fnk fnn fnr fra frc fre frf frk frn frr ka- kaa kac kae kaf kak kan kar kca kcc kce kck kcn kcr ke- kea kec kee kef kek ken ker kfa kfc kff kkc kke kkk kkn kkr kn- kna knc kne knf knk knn knr kra krc krf krk krn krr naa nac nae naf nak nan nar nca ncc nce ncf nck ncn ncr ne- nea nec nee nef nek nen ner nfa nfc nfe nff nfk nfn nfr nka nkc nke nkf nkk nkn nkr nna nnc nne nnf nnk nnn nra nrc nre nrf nrk nrn nrr ra- raa rac rae raf rak ran rar rca rcc rce rcf rcn rcr re- rea rec ree ref rek ren rer rfa rfc rfe rff rfk rfn rfr rkc rke rkf rkk rna rnc rnn rnr rra rrc rrf rrk rrn rrr

-ana -ane -ene a-ak aaaa aaac aaae aaaf aaan aaar aaca aacc aace aacf aack aacn aacr aaea aaec aaen aafa aafc aaff aaka aake aana aane aara aarc aare acaa acac acae acan acar acca accc acce accf ace- acea acec acek acen acer acfc acfe acke acne acr- acra acrc acre acrr aeac aeaf aean aeer aeka aena aer- aera aerc afaa afak afan afar afca afcc afee afek afer affa affc afka afkr afr- afra afrc afre akaa akae akan akar akca akee aken aker akka akna akr- akra akre ana- anaa anac anae anak anan anar anca ancc ance anec anee anen aner anfa ank- anka anke anna anne anrc arac arae araf arak aran arar arc- arca arce area arec aree aref arek aren arfa arfc arff arka arke arna arne arnk arr- arra arrc arre arrk arrr caaa caac caaf caan cac- caca cacc cace cack cacr caec caen caer cafa cafc cafe caff caka cake cana canc cane cank cann cara carc care carf cark carn carr ccaa ccac ccaf ccar ccca cccc cccf ccee ccfa ccfc ccff ccna ccnc ccne ccnf ccnr ccra ccrc ccre ccrf ceac cean cear cec- ceca cece ceec cef- cefa cefc cefn ceke cen- cena cene cer- cera cerc cere cerf cern cfaa cfac cfae cfar cfca cfcf cfcn cffr cfnr cfra cfre cfrn ckac ckan ckck cken cker ckfr cknc ckrc cnaa cnac cnfa cnna cnrc cnrr crac craf cran crar crca crcc crce crcr cre- crea crec cree cren crfc crkc crna crne eaaf eaca eacc eaec eana eara eare earn ecaa ecac ecan ecar ecca eccc ecce ecef ecfa ecfc ecfr ecka ecne ecra ecrc ecrf ecrr eeca eeea eeee eefa eefe eefn eeka eeke eena eera eerc efca efen effa efke eka- ekek eken eker ekfc ekka ekne enac enan enca ence enea enee ener enka enke enkr enna ennc enne enra eraf eran erca ercc erce erec eren erer erfc erke erna erne erra errc erre f--k faaa faac faan faca facc face fack fafa fafc fafe faff fake fana fanc fane fank fara farc fare fark farr fcar fcca fccf fcra feaf feak fean fear fece feck feek feen feer fefc fefe feff feke fena fene fenk fenn fera ferc fere ferk fern ferr ffar ffcc ffee ffff ffrr fnac fnar frac frae frak fran frcc frcn frea free fren frfc kaaa kaaf kaak kaan kaar kacc kace kaer kafa kafc kafe kaff kafn kafr kaka kakc kake kakk kakn kana kane kanf kann kara kare karf kark karn karr kcaa kcac kcar kcca kccc kcck kccr kcea kcec kcee kcfa kcfc kcfn kckc kckf kckk kckn kckr kcnr kcrc kcrn kcrr kea- keak kean kear keca keck kecr keef keek keen keer kefa kefc keff kefr keka kekc keke ken- kena kene kenk kenn kenr ker- kera kerc kere kerf kerk kern kerr kfac kfan kfar kfcf kfcr kfer kffa kfff kffk kffn kfka kfna kfnc kfnf kfnk kfnn kfra kfrc kfre kfrn kfrr kkaa kkac kkan kkar kkck kkcn kkcr kkea kken kkfn kkfr kkkk kkne kknn kkrc kkre kkrf kkrk kkrn kkrr knaa knac knaf knan knar knca knce knck kncn kncr knea knec knee knef knek knen knfa knfr knkk knnk knnr knrk krac krae krak kran krar krca krcc krce krcn krea krec kree kref krek kren krfc krfe krff krfn krka krkc krke krkk krkn krkr krna krne krnk krnn krrc krre krrf krrk krrn krrr naaa naac naan naar naca nacc nace nacf nack naea naef nafa nafc nafe naff naka nake nan- nana nane nann nara narc nare narf nark narn narr ncaa ncac ncar ncca nccc nccf nccn nccr ncea ncec ncee ncef ncen ncer ncfc ncfe ncna ncnc ncra ncrc ncre neac neaf nean near neca necc nece neck necr neea neef neen neer nefa nefe neff neka neke nena nene nera nerc nere nerf nerk nerr nfaa nfer nfff nfra nkfc nkrf nnnn nrca nren nrfc nrna nrrc raaf