-er a-a a-b a-c aaa aab aac aae aan aar aas aax ab- aba abb abc abe abn abr abs abx ac- aca acb acc ace acn acr acs acx aea aeb aec aee aen aer aes aex an- ana anb anc ane ann anr ans anx ar- ara arb arc are arn arr ars arx as- asa asb asc ase asn asr ass asx ax- axa axe axn axr axs axx baa bab bac bae ban bar bas bax bba bbb bbc bbe bbn bbr bbs bbx bca bcb bcc bce bcn bcr bcs bcx be- bea beb bec bee ben ber bes bex bna bnb bnc bne bnn bnr bns bnx bra brb bre brn brr brs brx bsa bsb bsc bse bsn bsr bss bsx bxb bxn bxx c-- caa cab cac cae can car cas cax cba cbb cbc cbe cbn cbr cbs cbx cca ccb ccc cce ccn ccr ccs ccx ce- cea ceb cec cee cen cer ces cex cn- cna cnb cnc cne cnn cnr cns cnx cra crb crc cre crn crr crs crx csa csb csc cse csn csr css csx cxc cxr cxs cxx eaa eab eac eae ean ear eas eax eba ebb ebc ebe ebn ebr ebs ebx ec- eca ecb ecc ece ecn ecr ecs ecx eea eeb eec eee een eer ees eex en- ena enb enc ene enn enr ens era erb erc ere ern err ers es- esa esb esc ese esn esr ess esx ex- exa exc exe exr exs exx naa nab nac nae nan nar nas nax nba nbb nbc nbe nbn nbr nbs nbx nca ncb ncc nce ncn ncr ncs ncx ne- nea neb nec nee nen ner nes nex nna nnb nnc nne nnn nns nra nrb nrc nre nrn nrr nrs nrx nsa nsb nsc nse nsn nsr nss nsx nxc ra- raa rab rac rae ran rar ras rax rba rbb rbc rbe rbn rbr rbs rbx rca rcb rcc rce rcn rcr rcs rcx re- rea reb rec ree ren rer res rex rna rnb rnc rnn rnr rns rra rrb rrc rrn rrr rrs rsa rsb rsc rse rsn rsr rss rsx rxr rxs saa sab sac sae san sar sas sax sba sbb sbc sbe sbn sbr sbs sbx sca scb scc sce scn scr scs scx se- sea seb sec see sen ser ses sex sna snb snc sne snn snr sns sr- sra srb src sre srn srr srs srx ss- ssa ssb ssc sse ssn ssr sss ssx sxc sxn sxs xaa xac xan xar xas xbc xbe xbr xbx xcb xcr xcx xee xen xer xes xex xna xnc xns xrc xrx xsa xsb xsc xss xxx

-ana -ane -ase -ene a-be aaaa aaab aaac aaae aaan aaar aaas aaba aabb aabc aaca aacb aacc aace aacn aacr aacs aaea aaec aaen aaes aana aane aara aarc aare aars aasa aasc aase aass abaa abab abac abae aban abar abas abax abb- abba abbb abbe abbr abbs abca abcb abcc abcn abcr abcs abec abee aben aber abes abra abrc abrs abs- absa abse abss acaa acab acac acae acan acar acas acba acca accc acce accs ace- acea acec acen acer aces acne acr- acra acrc acre acrr acrs acsa acsc acse acss aeac aean aeas aebn aebs aecb aeer aena aer- aera aerc aers aesc aess ana- anaa anab anac anae anan anar anas anax anba anbb anca ancc ance anec anee anen aner anes anex anna annb anne anns anrc ansa anse arab arac arae aran arar aras arax arba arbe arbs arc- arca arce arcs area arec aree aren ares arex arna arne arns arr- arra arrc arre arrr arrs ars- arsa arsc arse asaa asab asac asae asan asar asas asba asc- asca ascb ascc asce ascr ascx asea asec asee asen aser ases asnc asne asra asrc asrs assa assc asse assn assr asss axan axar axce axen axer axes axse ba-x baaa baan baar baas baba babb babe babr babs bac- baca bacc bace bacn bacs baer baes bana banc bane bann banr bans bar- bara barb barc bare barn barr bars barx basa basc base bass bbas bbbb bbbs bbeb bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcec bcer bces bcra bcrs bcsa bcsc bcsn bcss bean bear beas beba bebb bebe beca becs beeb been beer bees bena bene benn bens bera berc bere bern berr bers bes- besa bese bess bnas bner bnrr bnss brab brac brae bran bras brax brca brcb brce brea breb brec bree bren brer bres brex brna brns brrr brrs brsb brsr bsaa bsac bsas bscs bsea bseb bsec bsee bser bses bsns bsra bssc bsse caaa caab caac caan caas caba cabe cabs cac- caca cacc cace cacr caec caen caer caes caex cana canc cane cann cans cara carb carc care carn carr cars carx casa casb casc case casr cass caxa cbac cbar cbax cbbc cbbs cbca cbcc cbce cbcn cbcr cbcs cbea cbec cbee cber cbna cbre cbrn cbsa cbsc cbse cbsn cbxa ccaa ccab ccac ccar ccas ccba ccbc ccbn ccca cccb cccc cccs ccee ccna ccnb ccnc ccne ccnr ccns ccra ccrc ccre ccrs ccsa ccsn ccss ceac cean cear ceas ceba cebs cec- ceca cece cecs ceeb ceec cees cen- cena cene cens cer- cera cerc cere cern cers cesa cesc cese cesr cess cexe cnaa cnac cnas cnbc cnes cnex cnna cnrc cnrr cnsa cnss crab crac cran crar cras crax crbc crca crcc crce crcr cre- crea creb crec cree cren cres crex crna crne crns crsa crss csaa csab csac csar csas cscb cscc csce cscr cscs csea csec csee cser csne csra csrc csrs cssa csse cssr cxxx eaba eaca eacc eaec eana eans eara earb eare earn ears easa ease ebac eban ebba ebbc ebbr ebbs ebcc eben eber ebes ebsa ecaa ecac ecan ecar ecbc ecbe ecca eccb eccc