-er a-a a-b aaa aab aae aak aan aar ab- aba abb abe abk abn abr aea aeb aee aek aen aer aka akb ake akk akn akr an- ana anb ane ank ann anr ar- ara arb are ark arn arr baa bab bae bak ban bar bba bbb bbe bbk bbn bbr be- bea beb bee bek ben ber bka bkb bke bkk bkn bkr bna bnb bne bnk bnn bnr bra brb bre brk brn brr eaa eab eae eak ean ear eba ebb ebe ebk ebn ebr eea eeb eee eek een eer eka ekb eke ekr en- ena enb ene enk enn enr era erb ere erk ern err ka- kaa kab kae kak kan kar kba kbb kbe kbk kbn kbr ke- kea keb kee kek ken ker kkb kke kkk kkn kkr kn- kna kne knk knn knr kra krk krn krr naa nab nae nak nan nar nba nbb nbe nbk nbn nbr ne- nea neb nee nek nen ner nka nke nkk nkn nkr nna nnb nne nnk nnn nra nrb nre nrk nrn nrr ra- raa rab rae rak ran rar rba rbb rbe rbk rbn rbr re- rea reb ree rek ren rer rkb rke rkk rna rnb rnn rnr rra rrb rrk rrn rrr

-ana -ane -ene a-ak a-be aaaa aaab aaae aaan aaar aaba aabb aaea aaen aaka aake aana aane aara aare abaa abab abae abak aban abar abb- abba abbb abbe abbr abee aben aber abra aean aebn aeer aeka aena aer- aera akaa akae akan akar akee aken aker akka akna akr- akra akre ana- anaa anab anae anak anan anar anba anbb anee anen aner ank- anka anke anna annb anne arab arae arak aran arar arba arbe area aree arek aren arka arke arna arne arnk arr- arra arre arrk arrr baaa baak baan baar baba babb babe babr baek baer bak- baka bake bakr bana bane bank bann banr bar- bara barb bare bark barn barr bbbb bbeb beak bean bear beba bebb bebe beeb beek been beer beka beke bena bene benk benn bera bere berk bern berr bner bnrr brab brae brak bran brea breb bree brek bren brer brka brkb brna brrr eaba eana eara earb eare earn eban ebba ebbr eben eber eeea eeee eeka eeke eena eera eka- ekab ekeb ekek eken eker ekka ekne enab enan enb- enbn enbr enea enee ener enka enke enkr enna enne enra eran erba erbb erbe ereb eren erer erke erna erne erra erre kaaa kaab kaak kaan kaar kaba kabb kabe kabr kaer kaka kake kakk kakn kana kanb kane kann kara karb kare kark karn karr kbaa kbab kbae kbak kbar kbba kbbb kbbe kbbk kbbr kbeb kbee kbek kben kber kbkb kbkk kbkr kbna kbnn kbnr kbra kbrb kbre kbrk kbrn kea- keak kean kear keba kebb kebe kebn kebr keek keen keer keka kekb keke ken- kena kene kenk kenn kenr ker- kera kerb kere kerk kern kerr kkaa kkan kkar kkba kkbb kkbe kkbn kkbr kkea kken kkkk kknb kkne kknn kkrb kkre kkrk kkrn kkrr knaa knab knan knar knba knbb knbe knbn knbr knea kneb knee knek knen knkk knnb knnk knnr knrb knrk krab krae krak kran krar krba krbb krbe krbk krbr krea kreb kree krek kren krka krke krkk krkn krkr krna krnb krne krnk krnn krrb krre krrk krrn krrr naaa naab naan naar naba nabe nabk naea naka nake nan- nana nanb nane nann nara nare nark narn narr nbaa nbak nbar nber neab nean near neba nebb nebe nebn nebr neea neeb neen neer neka neke nena nene nera nere nerk nerr nnnn nrab nren nrna raab raak raan raba rabb rabe rabk raen raer raka rake rakk rana rane rank rann rara rarb rare rark rbbb rbbr rea- reae reak rean rear reba rebb rebe rebk reeb reek reen reka reke rena rene renk renn rera rere rnbr rrna rrrr

-aaa- aaaee aabaa aabba aabra aaker aakre aarna aarne abaab ababa ababe abaer abaka abake abana abank abann abara abare abarn abban abbar abean abear abeba abebe abeer abekr abene abera abere aberr abkar abnak abner abrak abran abrar abrek aeaea aebbe aenea aka-e akaba akana akane akare akban akbar akeen akene akera akker akkra aknee akner akrak akrar anaba anaea anaka anana anane anara anare anban anbar anear aneka anera ankaa anker annan annar annee annen anner ar-ab arab- araba arabe araea arake arana arank arara arare arbab arbar arbee arben arber arbre areae arean arear areek areka areke arena arene arere arkan arkar arken arkna arnan arnar arneb arnee arrak arran arrea arren b-r-k baabe baake baarn babak baban babar babee babek baben baber babka babra baena bakan bakar bakea baken baker bakka bakke bakra banak banan banar banba baner banka banke banna banne baraa barab barak baran barar barba barbe barea barek baren barer bark- barka barke barna barne barra barre bbbee bbear be-er beana beanb beane beara beare bearn bebar bebek beber bebra beebe beeke beena beene bekaa bekan beken beker bekka bekke bekra benab benan bene- benke benna benne berak beran berar berba berbe berea berek beren berk- berka berke berna berne berra berre braak brake brana brane brank brann break brean breba breek breen breer breke brene brenk brenn brera brere brrar brrrr eaker eanna earar earna ebana ebane ebank ebara ebber ebean ebene ebern ebner eeeee eener ekene ekker ekran ekren enaer enare enker ennab ennea erana erane erbaa erbar erbbe erben erber erean erear ereen erere erkak ernak ernan ernen k-rab kaaba kabaa kabab kabak kaban kabar kabba kaben kaber kaena kaera kakae kakan kakar kakka kakke kakra kanab kanae kanak kanek kaner kanka kanke kanna kanne kanre karak karan karee karen karka karna karre kbank keana keane keare kebab keban kebar kebbe kebek keben keber kebra keena keene keera keere kenan kenna kenne kera- keran kerar kerek keren kerne kerre knabe knark knarr kneen kraak kraan