-er a-a a-b a-c aaa aab aac aae aan aar aau ab- aba abb abc abe abn abr abu ac- aca acb acc ace acn acr acu aea aeb aec aee aen aer aeu an- ana anb anc ane ann anr anu ar- ara arb arc are arn arr aru au- aua aub auc aue aun aur b-u baa bab bac bae ban bar bau bba bbb bbc bbe bbn bbr bbu bca bcb bcc bce bcn bcr bcu be- bea beb bec bee ben ber beu bna bnb bnc bne bnn bnr bnu bra brb bre brn brr bru bua bub buc bue bun bur buu c-- caa cab cac cae can car cau cba cbb cbc cbe cbn cbr cbu cca ccb ccc cce ccn ccr ccu ce- cea ceb cec cee cen cer ceu cn- cna cnb cnc cne cnn cnr cnu cra crb crc cre crn crr cru cua cub cuc cue cun cur cuu eaa eab eac eae ean ear eau eba ebb ebc ebe ebn ebr ebu ec- eca ecb ecc ece ecn ecr ecu eea eeb eec eee een eer en- ena enb enc ene enn enr enu era erb erc ere ern err eru eu- eua eub euc eue eun eur naa nab nac nae nan nar nau nba nbb nbc nbe nbn nbr nbu nca ncb ncc nce ncn ncr ncu ne- nea neb nec nee nen ner neu nna nnb nnc nne nnn nnu nra nrb nrc nre nrn nrr nru nua nub nuc nue nun nur nuu ra- raa rab rac rae ran rar rau rba rbb rbc rbe rbn rbr rbu rca rcb rcc rce rcn rcr rcu re- rea reb rec ree ren rer reu rna rnb rnc rnn rnr rnu rra rrb rrc rrn rrr rru rua rub ruc rue run rur ruu ua- uaa uab uac uae uan uar uau uba ubb ubc ube ubn ubr ubu uca ucb ucc uce ucn ucr ucu uea ueb uec uee uen uer un- una unb unc une unn unr unu ur- ura urb urc ure urn urr uru uua uuc uue uun uur uuu

-ana -ane -ene a-be a-un aaaa aaab aaac aaae aaan aaar aaba aabb aabc aaca aacb aacc aace aacn aacr aacu aaea aaec aaen aana aane aara aarc aare aaru abaa abab abac abae aban abar abau abb- abba abbb abbe abbr abca abcb abcc abcn abcr abec abee aben aber abnu abra abrc abua abue abun acaa acab acac acae acan acar acba acca accc acce accu ace- acea acec acen acer acne acr- acra acrc acre acrr acu- acue acur aeac aean aebn aecb aeer aena aer- aera aerc ana- anaa anab anac anae anan anar anau anba anbb anbu anca ancc ance anec anee anen aner anna annb anne anrc anua anub anue anun arab arac arae aran arar arau arba arbe arc- arca arce area arec aree aren areu arna arne arr- arra arrc arre arrr arru arua arub arue arun auaa aube auca auce auen auer auna aune aur- aura aure baaa baan baar baba babb babe babr babu bac- baca bacc bace bacn baer bana banc bane bann banr banu bar- bara barb barc bare barn barr baru bau- baur bbau bbbb bbeb bbrc bcaa bcar bcbc bcca bccc bcec bcer bcnu bcra bcru bcuc bean bear beau beba bebb bebe beca becu beeb been beer bena bene benn benu bera berc bere bern berr beru beur bner bnrr brab brac brae bran brau brca brcb brce brea breb brec bree bren brer brna brrr bruc brue brun buar buba bubb bube bubu buca bucc buce bucu buea buen buer bueu buna bunb bune bunn bunu bur- bura burb bure burn burr buru caaa caab caac caan caba cabe cabu cac- caca cacc cace cacr caec caen caer caeu cana canc cane cann cara carb carc care carn carr cauc cbac cbar cbbc cbca cbcc cbce cbcn cbcr cbcu cbea cbec cbee cber cbna cbre cbrn ccaa ccab ccac ccar ccba ccbc ccbn ccca cccb cccc cccu ccee ccna ccnb ccnc ccne ccnr ccnu ccra ccrc ccre ccuc ceac cean cear ceba cebu cec- ceca cece ceeb ceec cen- cena cene cer- cera cerc cere cern cnaa cnac cnbc cnna cnrc cnrr crab crac cran crar crau crbc crbu crca crcc crce crcr cre- crea creb crec cree cren creu crna crne crub crue crun cuan cuau cub- cuba cubb cube cuca cucc cuce cucn cuer cuna cune cura curb cure curn curr eaba eaca eacc eaec eana eara earb eare earn ebac eban ebba ebbc ebbr ebcc eben eber ebru ebur ecaa ecac ecan ecar ecbc ecbe ecca eccb eccc ecce ecne ecra ecrc ecrr ecru ecua eeca eeea eeee eena eera eerc enab enac enan enb- enbn enbr enca ence enea enee ener enna ennc enne ennu enra enue enur eran erau erba erbb erbe erca ercc erce ereb erec eren erer erna erne erra errc erre erua erub eruc erur euan euba eubc euer eur- eura eurc eure naaa naab naac naan naar naba nabc nabe nabu naca nacc nace naea nan- nana nanb nane nann nanu nara narc nare narn narr naru naue naur nbaa nbar nbbc nbca nbcc nber ncaa ncac ncar ncba ncbc ncca nccc nccn nccr nccu ncea ncec ncee ncen ncer ncna ncnc ncra ncrc ncre ncua ncue neab neac nean near neau neba nebb nebe nebn nebr nebu neca necc nece necr neea neeb neen neer nena nene nenu nera nerc nere nerr neru neua neuc neue neun neur neuu nnnn nrab nrca nren nrna nrrc nuan nuba nubc nube nuca nuce nucu nuee nuer nuna nunc nune nunn nura nurc nure nurn nurr nuru raab raan raba rabb rabe rabu rac- raca racc race racu raec raen raer rana ranc rane rann rara rarb rare raua raub rauc raue raun rbbb rbbr rcac rcbc rccb rccc rcnr rea- reac reae rean rear reau reba rebb rebe rebu