-er a-a a-b a-c aaa aab aac aae aag aan aar ab- aba abb abc abe abg abn abr ac- aca acb acc ace acg acn acr aea aeb aec aee aeg aen aer ag- aga agb agc age agg agn agr an- ana anb anc ane ang ann anr ar- ara arb arc are arg arn arr baa bab bac bae bag ban bar bba bbb bbc bbe bbg bbn bbr bca bcb bcc bce bcg bcn bcr be- bea beb bec bee beg ben ber bga bgb bgc bge bgg bgn bgr bna bnb bnc bne bng bnn bnr bra brb bre brg brn brr c-- caa cab cac cae cag can car cba cbb cbc cbe cbg cbn cbr cca ccb ccc cce ccg ccn ccr ce- cea ceb cec cee ceg cen cer cga cgb cgc cge cgg cgn cgr cn- cna cnb cnc cne cng cnn cnr cra crb crc cre crg crn crr eaa eab eac eae eag ean ear eba ebb ebc ebe ebg ebn ebr ec- eca ecb ecc ece ecg ecn ecr eea eeb eec eee eeg een eer ega egb egc ege egg egn egr en- ena enb enc ene eng enn enr era erb erc ere erg ern err gaa gab gac gae gag gan gar gba gbc gbe gbg gbn gbr gca gcb gcc gce gcg gcn gcr ge- gea geb gec gee geg gen ger gga ggb ggc ggg ggn ggr gna gnb gnc gne gnn gnr gra grb grc gre grg grn grr naa nab nac nae nag nan nar nba nbb nbc nbe nbg nbn nbr nca ncb ncc nce ncg ncn ncr ne- nea neb nec nee neg nen ner nga ngb ngc nge ngg ngn nna nnb nnc nne nng nnn nra nrb nrc nre nrg nrn nrr ra- raa rab rac rae rag ran rar rba rbb rbc rbe rbg rbn rbr rca rcb rcc rce rcg rcn rcr re- rea reb rec ree reg ren rer rga rgb rgc rge rgg rgn rgr rna rnb rnc rng rnn rnr rra rrb rrc rrg rrn rrr

-ana -ane -ene a-be aaaa aaab aaac aaae aaan aaar aaba aabb aabc aaca aacb aacc aace aacn aacr aaea aaec aaen aage aana aane aang aara aarc aare abaa abab abac abae abag aban abar abb- abba abbb abbe abbr abca abcb abcc abcn abcr abec abee aben aber abra abrc acaa acab acac acae acag acan acar acba acca accc acce ace- acea acec acen acer acga acgr acne acr- acra acrc acre acrr aeac aean aebn aecb aeer aega aena aer- aera aerc agac agag agan agar agba agca agcc agce agea agee agen ager agga agge agna agne agra agre ana- anaa anab anac anae anag anan anar anba anbb anca ancc ance anec anee aneg anen aner ang- anga ange anna annb anne anrc arab arac arae arag aran arar arba arbe arc- arca arce area arec aree areg aren arga argb arge arna arne arng arr- arra arrc arre arrg arrr baaa baan baar baba babb babe babr bac- baca bacc bace bacn baer baga bage bagg bagn bana banc bane bang bann banr bar- bara barb barc bare barg barn barr bbbb bbeb bbga bbng bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcec bcer bcra beag bean bear beba bebb bebe beca beeb beeg been beer bega begg bena bene beng benn bera berc bere berg bern berr bgan bgca bneg bner bnrr brab brac brae brag bran brca brcb brce brea breb brec bree breg bren brer brna brrr caaa caab caac caan caba cabe cabg cac- caca cacc cace cacr caec caen caer caga cage cagg cagn cagr cana canc cane cang cann cara carb carc care carn carr cbac cbar cbbc cbca cbcc cbce cbcn cbcr cbea cbec cbee cber cbga cbgb cbna cbre cbrn ccaa ccab ccac ccag ccar ccba ccbc ccbn ccca cccb cccc ccee ccga ccgc ccna ccnb ccnc ccne ccnr ccra ccrc ccre ccrg ceac cean cear ceba cec- ceca cece ceeb ceec cege cen- cena cene ceng cer- cera cerc cere cern cgac cgcc cgcg cger cnaa cnac cnag cnbc cnna cnrc cnrr crab crac crag cran crar crbc crca crcc crce crcr cre- crea creb crec cree creg cren crna crne eaba eaca eacc eaec eaga eage eana eara earb eare earn ebac eban ebba ebbc ebbr ebcc eben eber ecaa ecac ecan ecar ecbc ecbe ecca eccb eccc ecce ecne ecra ecrc ecrr eeca eeea eeee eega eena eeng eera eerc eerg egaa egae egan egar egba egbe egcc egcg egcr egea egec egee eger eggb egge egna egne egra egre enab enac enan enb- enbn enbr enca ence enea enee eneg ener enga enge engg engr enna ennc enne enra eran erba erbb erbe erca ercc erce ereb erec eren erer erg- erga ergg erna erne erra errc erre gaar gaba gabb gabe gabr gace gaea gaec gaer gaga gage gagg gana ganc gane gang gann gara garb gare garg garn garr gbag gban gc-c gcaa gcbc gccc gcna gcrg geab gean gear geba gebe geca gece geen geer gege gegg gen- gena genc gene geng genn gera gerb gere gern gggg ggrn gnaa gnac gnar gncc gngc gnrc gnrr grab grac grae gran grbr grcc grce grea greb grec gree greg gren grrr naaa naab naac naag naan naar naba nabc nabe naca nacc nace naea naga nagc nage nan- nana nanb nane nang nann nara narc nare narg narn narr nbaa nbar nbbc nbca nbcc nber ncaa ncac ncar ncba ncbc ncca nccc nccn nccr ncea ncec ncee ncen ncer ncga ncgr ncna ncnc ncra ncrc ncre neab neac nean near neba nebb nebe nebn nebr neca necc nece necr neea neeb neen neer nega nege nena nene neng nera nerc nere nerr ngab ngac ngan ngen nger nngn nnnn nrab nrca nren nrna nrrc raab raag raan raba rabb rabe rac- raca racc race