-er a-a a-b a-t aaa aab aae aak aan aar aat ab- aba abb abe abk abn abr abt aea aeb aee aek aen aer aet aka akb ake akk akn akr an- ana anb ane ank ann anr ant ar- ara arb are ark arn arr art at- ata atb ate atn atr att baa bab bae bak ban bar bat bba bbb bbe bbk bbn bbr bbt be- bea beb bee bek ben ber bet bka bkb bke bkk bkn bkr bkt bna bnb bne bnk bnn bnr bnt bra brb bre brk brn brr brt bta btb bte btk btn btr btt eaa eab eae eak ean ear eat eba ebb ebe ebk ebn ebr ebt eea eeb eee eek een eer eet eka ekb eke ekr ekt en- ena enb ene enk enn enr ent era erb ere erk ern err ert eta etb ete etk etn etr ett k-t ka- kaa kab kae kak kan kar kat kba kbb kbe kbk kbn kbr ke- kea keb kee kek ken ker ket kkb kke kkk kkn kkr kkt kn- kna kne knk knn knr knt kra krk krn krr krt kta ktb kte ktk ktn ktr ktt naa nab nae nak nan nar nat nba nbb nbe nbk nbn nbr nbt ne- nea neb nee nek nen ner net nka nke nkk nkn nkr nkt nna nnb nne nnk nnn nnt nra nrb nre nrk nrn nrr nrt nta ntb nte ntk ntn ntr ntt ra- raa rab rae rak ran rar rat rba rbb rbe rbk rbn rbr rbt re- rea reb ree rek ren rer ret rkb rke rkk rkt rna rnb rnn rnr rnt rra rrb rrk rrn rrr rrt rta rtb rte rtk rtn rtr rtt taa tab tae tak tan tar tat tba tbb tbe tbk tbn tbr tbt te- tea teb tee tek ten ter tet tka tkb tke tkk tkr tkt tna tnb tne tnk tnn tnr tnt tra trb tre trk trn trr trt tta ttb tte ttk ttn ttr ttt

-ana -ane -ene a-ak a-be aaaa aaab aaae aaan aaar aaba aabb aabt aaea aaen aaka aake aana aane aara aare aart aata aatk aatt abaa abab abae abak aban abar abat abb- abba abbb abbe abbr abbt abee aben aber abet abra abta aean aebn aeer aeka aena aent aer- aera aeta aetn aetr aett akaa akae akan akar akee aken aker akka akna akr- akra akre akte ana- anaa anab anae anak anan anar anat anba anbb anee anen aner anet ank- anka anke anna annb anne annt ant- anta ante antr antt arab arae arak aran arar arat arba arbe area aree arek aren aret arka arke arna arne arnk arnt arr- arra arre arrk arrr arrt arta arte artr at-t ataa atab atae atak atan atar atat atea atee aten ater atka atkt atna atra atre atrk atrn atta atte attn attr baaa baak baan baar baat baba babb babe babr baek baer bak- baka bake bakr bakt bana bane bank bann banr bant bar- bara barb bare bark barn barr bart bata bate batn batt bbbb bbeb bbet beak bean bear beat beba bebb bebe beeb beek been beer beet beka beke bena bene benk benn bent bera bere berk bern berr bert beta bete bett bner bnet bnrr bnta brab brae brak bran brat brea breb bree brek bren brer bret brka brkb brna brrr btaa btan btek bten btrt bttb eaba eana eara earb eare earn eart eata eate eban ebba ebbr eben eber eeea eeee eeka eeke eena eent eera eeta eete eka- ekab ekeb ekek eken eker eket ekka ekne ekta enab enan enat enb- enbn enbr enea enee ener enka enke enkr enna enne enra ent- ente entr eran erat erba erbb erbe ereb eren erer eret erke erna erne erra erre erta etak etan etat etbr etee eten eter etka etna etne etnr etra etre etta ette ettn kaaa kaab kaak kaan kaar kaat kaba kabb kabe kabr kaer kaet kaka kake kakk kakn kakt kana kanb kane kann kant kara karb kare kark karn karr kart kat- kata katb kate katk katn katr katt kbaa kbab kbae kbak kbar kbat kbba kbbb kbbe kbbk kbbr kbbt kbeb kbee kbek kben kber kbet kbkb kbkk kbkr kbna kbnn kbnr kbra kbrb kbre kbrk kbrn kbrt kbta kbtb kbte kbtk kbtn kbtr kbtt kea- keak kean kear keat keba kebb kebe kebn kebr kebt keek keen keer keet keka kekb keke ken- kena kene kenk kenn kenr kent ker- kera kerb kere kerk kern kerr kert ket- keta kete ketk ketr kett kkaa kkan kkar kkat kkba kkbb kkbe kkbn kkbr kkbt kkea kken kkkk kknb kkne kknn kknt kkrb kkre kkrk kkrn kkrr kkrt kktk knaa knab knan knar knat knba knbb knbe knbn knbr knbt knea kneb knee knek knen knet knkk knkt knnb knnk knnr knrb knrk knte kntk kntn kntr krab krae krak kran krar krat krba krbb krbe krbk krbr krbt krea kreb kree krek kren kret krka krke krkk krkn krkr krna krnb krne krnk krnn krnt krrb krre krrk krrn krrr krrt krta krtk krtn krtr ktaa ktae ktak ktan ktar ktat ktba ktbb ktbn ktbr ktbt ktea ktee ktek kten ktkb ktke ktkk ktkn ktkr ktkt ktna ktne ktnk ktnn ktnt ktrb ktre ktrk ktrn ktrr ktrt kttk kttn kttr kttt naaa naab naan naar naat naba nabe nabk naea naka nake nan- nana nanb nane nann nant nara nare nark narn narr nart nata nate natt nbaa nbak nbar nber neab nean near neat neba nebb nebe nebn nebr neea neeb neen neer neet neka neke nena nene nent nera nere nerk nerr nert net- neta netb nete nett nknt nktr nnnn nntn nrab nren nrna nrta nter nttr raab raak raan raat raba rabb rabe rabk raen raer raka rake rakk rakt rana rane rank rann rant rara rarb rare rark rata rate ratk ratt rbbb rbbr