-er a-a a-c aaa aac aae aag aah aak aar aas ac- aca acc ace acg ach ack acr acs aea aec aee aeg aeh aek aer aes ag- aga agc age agg agh agk agr ags aha ahc ahe ahg ahh ahk ahr ahs aka akc ake akg akh akk akr aks ar- ara arc are arg arh ark arr ars as- asa asc ase asg ash ask asr ass c-- caa cac cae cag cah cak car cas cca ccc cce ccg cch cck ccr ccs ce- cea cec cee ceg ceh cek cer ces cga cgc cge cgg cgh cgr cgs ch- cha chc che chg chh chk chr chs cka ckc ckh cks cra crc cre crg crh crk crr crs csa csc cse csg csh csk csr css eaa eac eae eag eah eak ear eas ec- eca ecc ece ecg ech eck ecr ecs eea eec eee eeg eek eer ees ega egc ege egg egh egr egs eha ehc ehe ehg ehh ehr ehs eka ekc eke ekg ekh ekr eks era erc ere erg erh erk err ers es- esa esc ese esg esh esk esr ess gaa gac gae gag gah gak gar gas gca gcc gce gcg gch gck gcr gcs ge- gea gec gee geg geh gek ger ges gga ggc ggg ggh ggr ggs gha ghc ghe ghg ghh ghr ghs gka gkh gks gra grc gre grg grh grk grr grs gsa gsc gse gsg gsk gsr gss haa hac hae hag hah hak har has hca hcc hce hcg hch hck hcr hcs he- hea hec hee heg heh hek her hes hga hgc hge hgg hgh hgk hgr hgs hha hhc hhe hhg hhh hhk hhr hhs hka hkg hkh hkk hkr hks hr- hra hrc hre hrg hrh hrk hrr hrs hsa hsc hse hsg hsh hsk hsr hss ka- kaa kac kae kag kah kak kar kas kca kcc kce kcg kch kck kcr kcs ke- kea kec kee keg keh kek ker kes kga kgc kgh kgs kha khe khh khk khr khs kkc kke kkh kkk kkr kks kra krc krg krk krr krs ksa ksc kse ksg ksh ksk ksr kss ra- raa rac rae rag rah rak rar ras rca rcc rce rcg rch rcr rcs re- rea rec ree reg reh rek rer res rga rgc rge rgg rgh rgk rgr rgs rh- rha rhc rhe rhg rhh rhr rhs rkc rke rkg rkk rks rra rrc rrg rrh rrk rrr rrs rsa rsc rse rsg rsh rsk rsr rss saa sac sae sag sah sak sar sas sca scc sce scg sch sck scr scs se- sea sec see seg seh sek ser ses sga sgc sge sgg sgh sgk sgr sgs sh- sha shc she shg shh shk shr shs sk- ska skc ske skg skh skk skr sks sr- sra src sre srg srh srk srr srs ss- ssa ssc sse ssg ssh ssk ssr sss

-ase a-ak a-ha aaaa aaac aaae aaah aaar aaas aaca aacc aace aach aack aacr aacs aaea aaec aaes aage aagh aaha aahk aahs aaka aake aara aarc aare aars aasa aasc aase aass acaa acac acae acag acar acas acca accc acce acch accs ace- acea acec aceh acek acer aces acga acgr acgs acha ache achh achr achs acke acks acr- acra acrc acre acrr acrs acsa acsc acse acss aeac aeas aeer aega aeka aer- aera aerc aers aesc aess agac agag agar agas agca agcc agce agea agee ager ages agga agge agha aghe aghs agra agre agsa agsg ahac ahah ahar ahas ahha ahhs ahra ahrc ahre ahrr ahrs ahsa ahse ahss akaa akae akah akar akas akca akee akeg aker akes akha akhs akka akr- akra akre aksa arac arae arag arah arak arar aras arc- arca arce arch arcs area arec aree areg areh arek ares arga arge argh args arh- arhs arka arke arkh arks arr- arra arrc arre arrg arrh arrk arrr arrs ars- arsa arsc arse arsk asaa asac asae asag asah asak asar asas asc- asca ascc asce asch ascr asea asec asee aseh asek aser ases asge asha ashe ashk ashs aska aske askr asks asra asrc asrg asrs assa assc asse assh assk assr asss caaa caac caah caas cac- caca cacc cace cach cack cacr caec caer caes caga cage cagg cagr cags caha cahe cahs caka cake cara carc care cark carr cars casa casc case cash cask casr cass ccaa ccac ccag ccar ccas ccca cccc cccs ccee ccga ccgc ccgs ccha cche cchr cchs ccra ccrc ccre ccrg ccrs ccsa ccsg ccss ceac cear ceas cec- ceca cece cecs ceec cees cege cehs ceke cer- cera cerc cere cers cesa cesc cese cesg cesr cess cgac cgas cgcc cgcg cger cges cggs cghs cgsh cgss chaa chac chae chag chah chak char chas chca chce chch chcs chea chec chee cheh chek cher ches chge chgs chha chhs chka chks chra chrc chrr chrs chsc chse chsh chsr ckac ckch ckck ckcs cker ckga ckhs ckrc cksa cksh crac crag crar cras crca crcc crce crcr cre- crea crec cree creg creh cres crgs crhs crkc crsa crss csaa csac csak csar csas cscc csce csch cscr cscs csea csec csee cseh cser csgh cshs cska csks csra csrc csrs cssa csse cssr eaca eacc each eaec eaga eage eahs eara eare earh ears easa ease ecaa ecac ecar ecca eccc ecce eces ecgs echa eche echs ecka ecks ecra ecrc ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eega eegs eehs eeka eeke eeks eera eerc eerg eers eese eesk egaa egae egar egas egcc egcg egcr egea egec egee eger egge eggh eggs eghe eghh eghs egks egra egre egsc egsh egss ehaa ehcc ehea eheh eher ehhs ehre eka- ekch ekek eker ekes ekgs ekhs ekka eras erca ercc erce erch erec erer eres erg- erga ergg