-er a-a a-c aaa aac aae aaf aar aas aau ac- aca acc ace acf acr acs acu aea aec aee aef aer aes aeu af- afa afc afe aff afr afs afu ar- ara arc are arf arr ars aru as- asa asc ase asf asr ass asu au- aua auc aue auf aur aus c-- caa cac cae caf car cas cau cca ccc cce ccf ccr ccs ccu ce- cea cec cee cef cer ces ceu cfa cfc cfe cff cfr cfs cfu cra crc cre crf crr crs cru csa csc cse csf csr css csu cua cuc cue cuf cur cus cuu eaa eac eae eaf ear eas eau ec- eca ecc ece ecf ecr ecs ecu eea eec eee eef eer ees ef- efa efc efe eff efr efs era erc ere erf err ers eru es- esa esc ese esf esr ess esu eu- eua euc eue euf eur eus faa fac fae faf far fas fau fca fcc fce fcf fcr fcs fcu fea fec fee fef fer fes feu ffa ffc ffe fff ffr ffs ffu fra frc fre frf frr frs fru fsa fsc fse fsf fsr fss fsu fua fue fuf fur fus fuu ra- raa rac rae raf rar ras rau rca rcc rce rcf rcr rcs rcu re- rea rec ree ref rer res reu rfa rfc rfe rff rfr rfs rfu rra rrc rrf rrr rrs rru rsa rsc rse rsf rsr rss rsu rua ruc rue ruf rur rus ruu saa sac sae saf sar sas sau sca scc sce scf scr scs scu se- sea sec see sef ser ses seu sfa sfc sfe sff sfr sfs sfu sr- sra src sre srf srr srs ss- ssa ssc sse ssf ssr sss ssu sua suc sue suf sur sus suu ua- uaa uac uae uaf uar uas uau uca ucc uce ucf ucr ucs ucu uea uec uee uef uer ues ufa ufc ufe uff ufr ufs ufu ur- ura urc ure urf urr urs uru usa usc use usf usr uss usu uua uuc uue uur uus uuu

-ase a-fu aaaa aaac aaae aaaf aaar aaas aaca aacc aace aacf aacr aacs aacu aaea aaec aaes aafa aafc aaff 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 acer aces acfc acfe acfs acr- acra acrc acre acrr acrs acsa acsc acse acss acu- acue acuf acur acus aeac aeaf aeas aeer aer- aera aerc aers aesc aess afaa afar afca afcc afcs afcu afee afer afes affa affc affs afr- afra afrc afre afrs afru afsa afsc afua afue afus arac arae araf arar aras arau arc- arca arce arcs area arec aree aref ares areu arfa arfc arff arfs arfu arr- arra arrc arre arrr arrs arru ars- arsa arsc arse arsu arua arue asaa asac asae asaf asar asas asau asc- asca ascc asce ascr asea asec asee aser ases asfa asra asrc asrs asru assa assc asse assr asss assu asue asur asus auaa auca auce auer aufc aufe aufs aur- aura aure ausa ause ausu caaa caac caaf caas cac- caca cacc cace cacr caec caer caes caeu cafa cafc cafe caff cafs cafu cara carc care carf carr cars casa casc case casr cass casu cauc cauf 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 cer- cera cerc cere cerf cers cesa cesc cese cesr cess cfaa cfac cfae cfar cfca cfcf cfcs cffr cfra cfre cfsa cfse crac craf crar cras crau crca crcc crce crcr cre- crea crec cree cres creu crfc crfs crsa crss crue crus csaa csac csar csas cscc csce cscf cscr cscs csea csec csee cser csfc csfr csra csrc csrs cssa csse cssr csua csuf csur csus cuau cuca cucc cuce cuer cues cufa cufc cuff cura cure curf curr curs cusa cuss cusu eaaf eaca eacc eaec eara eare ears easa ease eaus ecaa ecac ecar ecca eccc ecce ecef eces ecfa ecfc ecfr ecfs ecra ecrc ecrf ecrr ecru ecsa ecsc ecse ecss ecsu ecua ecus eeca eecs eeea eeee eees eefa eefe eera eerc eers eese efas efca efes effa effs efsa efua eraf eras erau erca ercc erce erec erer eres erfc erfs erra errc erre errs ersa erse erua eruc erur erus esac esar esas esau esca esce escr escs escu esea esee eser eses esfs esra essa esse essu esuf esus euer eufc eur- eura eurc eure eusa euse faaa faac faas faca facc face facs faes fafa fafc fafe faff fara farc fare farr fars faru fasa fasc fase fass faue faur fcar fcas fcca fccf fces fcra fcsc feaf fear feas fece feer fees fefc fefe feff fera ferc fere ferr fers feru fesa fese fess feus ffar ffcc ffee ffff ffrr ffsa ffss frac frae fras frau frcc frea free fres frfc frsc frue fsas fscc fsec fsra fssa fssc fssf fuar fuc- fuca fufc fuff fufu fur- fura fure furr furs fusa fusc fuse fuss fusu raaf raas rac- raca racc race racs racu raec raef raer raes rafa rafc rafe raff rara rare rarf rars rasa rasc rase rass rasu raua rauc raue rauf raus rcac rcaf rcas rccc rccs rcfc rcsa rcsc rcss rea- reac reae reaf rear reas reau reca recc rece recr recs recu reef rees refe reff refr refs refu rera rere rers reru resa rese ress reue reuf reus reuu rfae rfef rffc rras rrfc rrrr rsaa rsaf rscc rscs rsee rsfc rsre rssa rsua ruas ruca ruce ruer rues rufa rufc rufe ruff rura rurc rure rurs ruru rusa ruse russ rusu sa-c saac saae saaf saar saas saca sacc sace sacr sacs sacu saer saes safa