-er a-a a-b aaa aab aad aae aak aan aar ab- aba abb abd abe abk abn abr ad- ada adb add ade adk adn adr aea aeb aed aee aek aen aer aka akb akd ake akk akn akr an- ana anb and ane ank ann anr ar- ara arb ard are ark arn arr baa bab bad bae bak ban bar bba bbb bbd bbe bbk bbn bbr bda bdb bdd bde bdk bdr be- bea beb bed bee bek ben ber bka bkb bke bkk bkn bkr bna bnb bnd bne bnk bnn bnr bra brb brd bre brk brn brr daa dab dad dae dak dan dar dba dbb dbd dbe dbk dbn dbr dda ddb ddd dde ddk ddn ddr de- dea deb ded dee dek den der dka dkb dke dkk dkr dna dnb dnd dne dnk dnn dnr dra drb drd dre drk drn drr eaa eab ead eae eak ean ear eba ebb ebd ebe ebk ebn ebr ed- eda edb edd ede edk edn edr eea eeb eed eee eek een eer eka ekb ekd eke ekr en- ena enb end ene enk enn enr era erb erd ere erk ern err ka- kaa kab kad kae kak kan kar kba kbb kbd kbe kbk kbn kbr kda kdb kde kdk kdr ke- kea keb ked kee kek ken ker kkb kke kkk kkn kkr kn- kna knd kne knk knn knr kra krd krk krn krr naa nab nad nae nak nan nar nba nbb nbd nbe nbk nbn nbr nda ndb ndd nde ndk ndn ndr ne- nea neb ned nee nek nen ner nka nke nkk nkn nkr nna nnb nne nnk nnn nra nrb nrd nre nrk nrn nrr ra- raa rab rad rae rak ran rar rba rbb rbd rbe rbk rbn rbr rda rdb rdd rde rdn rdr re- rea reb red ree rek ren rer rkb rke rkk rna rnb rnd rnn rnr rra rrb rrd rrk rrn rrr

-ana -ane -ene a-ak a-be aaaa aaab aaad aaae aaan aaar aaba aabb aabd aada aade aaea aaen aaka aake aana aand aane aara aard aare abaa abab abad abae abak aban abar abb- abba abbb abbe abbr abda abed abee aben aber abra adaa adab adad adae adak adan adar adba adda addd adde addn addr adea adeb adee aden ader adna adra adre aean aebn aede aeer aeka aena aend aer- aera aerd akaa akae akan akar akdn aked akee aken aker akka akna akr- akra akre ana- anaa anab anad anae anak anan anar anba anbb and- anda ande andr anee anen aner ank- anka anke anna annb anne arab arad arae arak aran arar arba arbe arda arde area ared aree arek aren arka arke arna arnd arne arnk arr- arra arre arrk arrr baaa baad baak baan baar baba babb babe babr bada badb badd bade badr baed baek baer bak- baka bake bakr bana band bane bank bann banr bar- bara barb bard bare bark barn barr bbad bbbb bbdd bbeb bd-r bdna bead beak bean bear beba bebb bebe beda bede beeb beed beek been beer beka beke bena bend bene benk benn bera berd bere berk bern berr bner bnrr brab brad brae brak bran brda brea breb bred bree brek bren brer brka brkb brna brrr d-na daab daad daae daan daar daba dabb dada dade daeb daer daka dake dana dand dane dank dann danr dara darb dard dare dark darn darr dbar dbrn dddd ddre dead deae deak dean dear deba debe deda dedd dede deeb deed deek deen deer dek- deka deke dena dene denk denn der- dera derb dere derk dern derr dkba dnaa dnab dnad dnae dnan dner draa drab drad drak drar drba drda drea dred dree drek dren drna drra eaba eada eadb eadd eana eara earb eard eare earn eban ebba ebbr ebed eben eber edad edan edar edda edde ede- edea eden eder edna edra edrn eede eeea eeee eeka eeke eena eend eera eka- ekab ekeb eked ekek eken eker ekka ekne enab enan enb- enbn enbr end- enda ende enea ened enee ener enka enke enkr enna enne enra erad eran erba erbb erbe erda erde ereb ered eren erer erke erna erne erra erre kaaa kaab kaak kaan kaar kaba kabb kabd kabe kabr kad- kada kadd kade kadr kaer kaka kake kakk kakn kana kanb kand kane kann kara karb kard kare kark karn karr kbaa kbab kbad kbae kbak kbar kbba kbbb kbbd kbbe kbbk kbbr kbdb kbde kbdn kbdr kbeb kbed kbee kbek kben kber kbkb kbkk kbkr kbna kbnd kbnn kbnr kbra kbrb kbrd kbre kbrk kbrn kdaa kdab kdad kdae kdak kdar kdbb kdbn kdbr kddb kddd kddk kddr kdeb kden kdka kdkb kdkd kdkk kdkn kdkr kdna kdnd kdne kdnk kdnn kdnr kdrb kea- kead keak kean kear keba kebb kebe kebn kebr keda kedb kedd kede kedr keed keek keen keer keka kekb keke ken- kena kend kene kenk kenn kenr ker- kera kerb kere kerk kern kerr kkaa kkan kkar kkba kkbb kkbd kkbe kkbn kkbr kkda kkdd kkea kked kken kkkk kknb kknd kkne kknn kkrb kkre kkrk kkrn kkrr knaa knab knan knar knba knbb knbe knbn knbr knda kndb kndd knde kndk kndn kndr knea kneb kned knee knek knen knkk knnb knnd knnk knnr knrb knrk krab krad krae krak kran krar krba krbb krbd krbe krbk krbr krda krdd krde krdr krea kreb kred kree krek kren krka krkd krke krkk krkn krkr krna krnb krnd krne krnk krnn krrb krre krrk krrn krrr naaa naab naad naan naar naba nabe nabk nada nade nadk nadr naea naka nake nan- nana nanb nand nane nann nara nard nare nark narn narr nbaa nbad nbak nbar nber ndaa ndak nddb ndde nder ndna ndre neab nead nean near neba nebb nebe nebn nebr neda nedd nede neea neeb need neen neer neka