-er a-a a-c aaa aac aae aaf aak aar aas aau ac- aca acc ace acf ack acr acs acu aea aec aee aef aek aer aes aeu af- afa afc afe aff afk afr afs afu aka akc ake akk akr aks aku ar- ara arc are arf ark arr ars aru as- asa asc ase asf ask asr ass asu au- aua auc aue auf auk aur aus c-- caa cac cae caf cak car cas cau cca ccc cce ccf cck ccr ccs ccu ce- cea cec cee cef cek cer ces ceu cfa cfc cfe cff cfk cfr cfs cfu cka ckc cks cra crc cre crf crk crr crs cru csa csc cse csf csk csr css csu cua cuc cue cuf cuk cur cus cuu eaa eac eae eaf eak ear eas eau ec- eca ecc ece ecf eck ecr ecs ecu eea eec eee eef eek eer ees ef- efa efc efe eff efr efs eka ekc eke ekf ekr eks eku era erc ere erf erk err ers eru es- esa esc ese esf esk esr ess esu eu- eua euc eue euf eur eus faa fac fae faf fak far fas fau fca fcc fce fcf fck fcr fcs fcu fea fec fee fef fek fer fes feu ffa ffc ffe fff ffk ffr ffs ffu fka fkc fkf fkk fra frc fre frf frk frr frs fru fsa fsc fse fsf fsk fsr fss fsu fua fue fuf fuk fur fus fuu ka- kaa kac kae kaf kak kar kas kau kca kcc kce kck kcr kcs kcu ke- kea kec kee kef kek ker kes kfa kfc kff kfs kfu kkc kke kkk kkr kks kku kra krc krf krk krr krs kru ksa ksc kse ksf ksk ksr kss ksu kuc kue kuk kur kus kuu ra- raa rac rae raf rak rar ras rau rca rcc rce rcf rcr rcs rcu re- rea rec ree ref rek rer res reu rfa rfc rfe rff rfk rfr rfs rfu rkc rke rkf rkk rks rku rra rrc rrf rrk rrr rrs rru rsa rsc rse rsf rsk rsr rss rsu rua ruc rue ruf ruk rur rus ruu saa sac sae saf sak sar sas sau sca scc sce scf sck scr scs scu se- sea sec see sef sek ser ses seu sfa sfc sfe sff sfk sfr sfs sfu sk- ska skc ske skf skk skr sks sku sr- sra src sre srf srk srr srs ss- ssa ssc sse ssf ssk ssr sss ssu sua suc sue suf suk sur sus suu ua- uaa uac uae uaf uak uar uas uau uca ucc uce ucf uck ucr ucs ucu uea uec uee uef uer ues ufa ufc ufe uff ufr ufs ufu uka ukc uke ukf ukk ukr uku ur- ura urc ure urf urk urr urs uru usa usc use usf usk usr uss usu uua uuc uue uur uus uuu

-ase a-ak a-fu aaaa aaac aaae aaaf aaar aaas aaca aacc aace aacf aack aacr aacs aacu aaea aaec aaes aafa aafc aaff aaka aake aaku aara aarc aare aars aaru aasa aasc aase aasf aass aasu aaus acaa acac acae acar acas acca accc acce accf accs accu ace- acea acec acek acer aces acfc acfe acfs acke acks acr- acra acrc acre acrr acrs acsa acsc acse acss acu- acue acuf acur acus aeac aeaf aeas aeer aeka aer- aera aerc aers aesc aess afaa afak afar afca afcc afcs afcu afee afek afer afes affa affc affs afka afkr afr- afra afrc afre afrs afru afsa afsc afua afue afus akaa akae akar akas akca akee aker akes akeu akka akku akr- akra akre aksa aksu akua arac arae araf arak arar aras arau arc- arca arce arcs area arec aree aref arek ares areu arfa arfc arff arfs arfu arka arke arks arr- arra arrc arre arrk arrr arrs arru ars- arsa arsc arse arsk arsu arua arue asaa asac asae asaf asak asar asas asau asc- asca ascc asce ascr asea asec asee asek aser ases asfa aska aske askr asks asra asrc asrs asru assa assc asse assk assr asss assu asue asur asus auaa auca auce auer aufc aufe aufs auke auks aur- aura aure ausa ause ausu caaa caac caaf caas cac- caca cacc cace cack cacr caec caer caes caeu cafa cafc cafe caff cafs cafu caka cake cara carc care carf cark carr cars casa casc case cask casr cass casu cauc cauf cauk caus ccaa ccac ccaf ccar ccas ccca cccc cccf cccs cccu ccee ccfa ccfc ccff ccra ccrc ccre ccrf ccrs ccsa ccsf ccss ccuc ccus ceac cear ceas cec- ceca cece cecs ceec cees cef- cefa cefc ceke cer- cera cerc cere cerf cers cesa cesc cese cesr cess cfaa cfac cfae cfar cfca cfcf cfcs cffr cfra cfre cfsa cfse ckac ckck ckcs cker ckfr ckrc cksa crac craf crar cras crau crca crcc crce crcr cre- crea crec cree cres creu crfc crfs crkc crsa crss crue cruk crus csaa csac csak csar csas cscc csce cscf cscr cscs csea csec csee cser csfc csfr cska csks csra csrc csrs cssa csse cssr csua csuf csur csus cuau cuca cucc cuce cuck cuek cuer cues cufa cufc cuff cuk- cuka cuke cura cure curf curr curs cusa cusk cuss cusu eaaf eaca eacc eaec eara eare ears easa ease eaus ecaa ecac ecar ecca eccc ecce ecef eces ecfa ecfc ecfr ecfs ecka ecks ecra ecrc ecrf ecrr ecru ecsa ecsc ecse ecss ecsu ecua ecus eeca eecs eeea eeee eees eefa eefe eeka eeke eeks eera eerc eers eese eesk efas efca efes effa effs efke efsa efua eka- ekek eker ekes ekfc ekka ekur eraf eras erau erca ercc erce erec erer eres erfc erfs erke erks erra errc erre errs ersa erse erua eruc erur erus esac esar esas esau esca esce escr escs