-er a-a a-b aaa aab aad aae aak aar ab- aba abb abd abe abk abr ad- ada adb add ade adk adr aea aeb aed aee aek aer aka akb akd ake akk akr ar- ara arb ard are ark arr baa bab bad bae bak bar bba bbb bbd bbe bbk bbr bda bdb bdd bde bdk bdr be- bea beb bed bee bek ber bka bkb bke bkk bkr bra brb brd bre brk brr daa dab dad dae dak dar dba dbb dbd dbe dbk dbr dda ddb ddd dde ddk ddr de- dea deb ded dee dek der dka dkb dke dkk dkr dra drb drd dre drk drr eaa eab ead eae eak ear eba ebb ebd ebe ebk ebr ed- eda edb edd ede edk edr eea eeb eed eee eek eer eka ekb ekd eke ekr era erb erd ere erk err ka- kaa kab kad kae kak kar kba kbb kbd kbe kbk kbr kda kdb kde kdk kdr ke- kea keb ked kee kek ker kkb kke kkk kkr kra krd krk krr ra- raa rab rad rae rak rar rba rbb rbd rbe rbk rbr rda rdb rdd rde rdr re- rea reb red ree rek rer rkb rke rkk rra rrb rrd rrk rrr

a-ak a-be aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aaea aaka aake aara aard aare abaa abab abad abae abak abar abb- abba abbb abbe abbr abda abed abee aber abra adaa adab adad adae adak adar adba adda addd adde addr adea adeb adee ader adra adre aede aeer aeka aer- aera aerd akaa akae akar aked akee aker akka akr- akra akre arab arad arae arak arar arba arbe arda arde area ared aree arek arka arke arr- arra arre arrk arrr baaa baad baak baar baba babb babe babr bada badb badd bade badr baed baek baer bak- baka bake bakr bar- bara barb bard bare bark barr bbad bbbb bbdd bbeb bd-r bead beak bear beba bebb bebe beda bede beeb beed beek beer beka beke bera berd bere berk berr brab brad brae brak brda brea breb bred bree brek brer brka brkb brrr daab daad daae daar daba dabb dada dade daeb daer daka dake dara darb dard dare dark darr dbar dddd ddre dead deae deak dear deba debe deda dedd dede deeb deed deek deer dek- deka deke der- dera derb dere derk derr dkba draa drab drad drak drar drba drda drea dred dree drek drra eaba eada eadb eadd eara earb eard eare ebba ebbr ebed eber edad edar edda edde ede- edea eder edra eede eeea eeee eeka eeke eera eka- ekab ekeb eked ekek eker ekka erad erba erbb erbe erda erde ereb ered erer erke erra erre kaaa kaab kaak kaar kaba kabb kabd kabe kabr kad- kada kadd kade kadr kaer kaka kake kakk kara karb kard kare kark karr kbaa kbab kbad kbae kbak kbar kbba kbbb kbbd kbbe kbbk kbbr kbdb kbde kbdr kbeb kbed kbee kbek kber kbkb kbkk kbkr kbra kbrb kbrd kbre kbrk kdaa kdab kdad kdae kdak kdar kdbb kdbr kddb kddd kddk kddr kdeb kdka kdkb kdkd kdkk kdkr kdrb kea- kead keak kear keba kebb kebe kebr keda kedb kedd kede kedr keed keek keer keka kekb keke ker- kera kerb kere kerk kerr kkaa kkar kkba kkbb kkbd kkbe kkbr kkda kkdd kkea kked kkkk kkrb kkre kkrk kkrr krab krad krae krak krar krba krbb krbd krbe krbk krbr krda krdd krde krdr krea kreb kred kree krek krka krkd krke krkk krkr krrb krre krrk krrr raab raad raak raba rabb rabe rabk rada radd rade radr raed raer raka rake rakk rara rarb rare rark rbbb rbbr rder rea- read reae reak rear reba rebb rebe rebk reda redd rede redr reeb reed reek reka reke rera rerd rere rrad rred rrrr

-aaa- -abad aaaee aabaa aabba aabra aaker aakre abaab ababa ababe abada abade abaer abaka abake abara abare abbad abbar abbed abead abear abeba abebe abede abeed abeer abekr abera abere aberr abkar abrad abrak abrar abrek adaba adabe adada adaka adara adare adark adber addae addea added adder addra adead adear adeeb adeed adeer adkar adrad adrar adree aeaea aebbe aered aka-e akaba akard akare akbar akeda akera akerd akkad akker akkra akrak akrar ar-ab arab- araba arabe arada araea arake arara arare arbab arbar arbed arbee arber arbre ardab ardak ardea ardeb ardee arder ardra ardre aread areae arear arede areed areek areka areke arere arkar arked arrak arrea b-e-d b-r-k baabe baade baaed baake baard babak babar babee babek baber babka babra badak badar badde badea bader badra baeda bakar bakea baked baker bakka bakke bakra baraa barab barad barak barar barba barbe barda barde barea bared barek barer bark- barka barke barra barre bbbee bbear bd-re be-er beara beard beare bebad bebar bebed bebek beber bebra bedab bedad bedar bedda bedde bedee beder beebe beede beeke beerd bekaa beker bekka bekke bekra berak berar berba berbe berde berea bered berek berk- berka berke berra berre braak brada brade braed brake brard brdda bread break breba breda bredd brede breed breek breer breke brera brerd brere brrar brrrr d-a-d d-rad daada daara dabar dabba dabbe dabek daber dabke dabra dadar dadda daded dadra dakar daker dakka daraa darab darak darba darda darde dared darer darke darra darre ddddd deada deadd deade deara deare debab debak debar debed deber debka debke debra dedde dedee deder deear deeba deeda deede deere deka- dekar deked dekra derbe derde dered derek derke derre draba draka drake drdre dread drear dreba dredd drede dreed drere e-dee eaker earar eared ebara ebbed ebber edder eddre edeka edera edere edred eeeee eerde ekker ekrad erada erade erard erbaa erbar erbbe erber erdek erdre erear ereda erede erere erkak erred k-b-d k-dee k-rab k-rad kaaba kaade kabaa kabab kabad kabak kabar kabba kaber kadar kadee kadek kader kaede