-er a-a a-b aaa aab aad aae aaf aar ab- aba abb abd abe abf abr ad- ada adb add ade adf adr aea aeb aed aee aef aer af- afa afb afd afe aff afr ar- ara arb ard are arf arr baa bab bad bae baf bar bba bbb bbd bbe bbf bbr bda bdb bdd bde bdf bdr be- bea beb bed bee bef ber bfa bfb bfd bfe bff bfr bra brb brd bre brf brr daa dab dad dae daf dar dba dbb dbd dbe dbf dbr dda ddb ddd dde ddf ddr de- dea deb ded dee def der dfa dfb dfd dfe dff dfr dra drb drd dre drr eaa eab ead eae eaf ear eba ebb ebd ebe ebf ebr ed- eda edb edd ede edf edr eea eeb eed eee eef eer ef- efa efb efd efe eff efr era erb erd ere erf err faa fab fad fae faf far fba fbb fbd fbe fbf fbr fda fdb fdd fde fdf fdr fea feb fed fee fef fer ffa ffd ffe fff ffr fra frb frd fre frf frr ra- raa rab rad rae raf rar rba rbb rbd rbe rbf rbr rda rdb rdd rde rdf rdr re- rea reb red ree ref rer rfa rfb rfd rfe rff rfr rra rrb rrd rrf rrr

a-be aaaa aaab aaad aaae aaaf aaar aaba aabb aabd aada aade aaea aafa aafb aafd aaff aara aard aare abaa abab abad abae abaf abar abb- abba abbb abbe abbr abda abed abee aber abff abra adaa adab adad adae adar adba adda addd adde addr adea adeb adee ader adfa adra adre aeaf aede aeer aer- aera aerd afaa afad afar afdb afee afer affa afr- afra afre arab arad arae araf arar arba arbe arda arde ardf area ared aree aref arfa arfb arff arr- arra arre arrr baaa baad baaf baar baba babb babe babr bada badb badd bade badr baed baer baff bar- bara barb bard bare barf barr bbad bbbb bbdd bbeb bd-r bead beaf bear beba bebb bebe beda bede beeb beed beef beer befa befe beff bera berd bere berr brab brad brae braf brda brea breb bred bree bref brer brrr daab daad daae daar daba dabb dada dade daeb daer dafa dafe daff dara darb dard dare darf darr dbar dddd ddre dead deae deaf dear deba debe deda dedd dede deeb deed deef deer defe deff der- dera derb dere derf derr dfaf dfer dffa dfrf draa drab drad draf drar drba drda drea dred dree dref drra eaaf eaba eada eadb eadd eafb eara earb eard eare ebba ebbr ebed eber edad edar edda edde ede- edea eder edfa edra eede eeea eeee eefa eefe eera efab efbr efda effa erad eraf erba erbb erbe erda erde erdf ereb ered erer erra erre faaa faad faba fabd fabe fada fadd fade faeb fafa fafe faff fara farb fard fare farr fbar fead feaf fear feba feda fede feeb feed feer fefe feff fera ferb ferd fere ferr ffar ffee ffff ffrr frab frad frae frea fred free raab raad raaf raba rabb rabe rada radd rade radr raed raef raer rafa rafe raff rara rarb rare rarf rbaf rbbb rbbr rder rdfa rea- read reae reaf rear reba rebb rebe reda redd rede redr reeb reed reef refd refe reff refr rera rerd rere rfae rfef rrad rred rrrr

-aaa- -abad aaaee aabaa aabba aabra aaeaf abaab ababa ababe abada abade abaer abara abare abbad abbar abbed abead abear abeba abebe abede abeed abeer abera abere aberr abfab abrad abrar adaba adabe adada adara adare adber addae addea added adder addra adead adeaf adear adeeb adeed adeer adfee adrad adrar adree aeaea aebbe aered afade afara afare afder afear afeda afede afeed afefe afere affer afree ar-ab arab- araba arabe arada araea arara arare arbab arbar arbed arbee arber arbre ardab ardea ardeb ardee arder ardra ardre aread areae arear arede areed areef arere arfe arfed arrea b-e-d baabe baade baaed baard babar babee baber babra badar badde badea bader badra baeda baffa bafra baraa barab barad barar barba barbe barda barde barea bared barer barff barra barre bbbee bbear bd-re be-er beafe beara beard beare bebad bebar bebed beber bebra bedab bedad bedaf bedar bedda bedde bedee beder beebe beede beerd beffe berar berba berbe berde berea bered berra berre brada brade braed braff brard brdda bread breba breda bredd brede breed breef breer brera brerd brere brrar brrrr d-a-d d-rad daada daara dabar dabba dabbe daber dabra dadar dadda daded dadra dafar dafer daraa darab daraf darba darda darde dared darer darra darre ddddd deada deadd deade deara deare debab debar debed deber debra dedde dedee deder deear deeba deeda deede deefe deeff deere defar defed defer deffe defra derbe derde dered derre draaf draba draff drdre dread drear dreba dredd drede dreed dreff drere e-dee eafre earar eared ebara ebbed ebber edder eddre edera edere edred eeeee eefde eerde efare efere effed effer effra erada erade erard erbaa erbar erbbe erber erdre erear ereda erede erere erfde erred faade fabae faber fabra fabre fadda faded fader farab farad farbe fardd fareb fared farer farfa farre feard feare febre fedde fedee feder fedra feeda feere ferae ferde fered ferr- ferra ferre fraba fread frear freda frede freea freed freer frera frere ra-ra raaba raabe raaff raard rabab rabad rabba rabbe rabda radar radde rader raeda raeff raerd rafar rafer raffa raffe rarae raraf rareb rared raree rarer reada readd reade reafe rear- reard rebab rebar rebbe reber rebra redab redar redbd redde redea reder reede reefa reefe reere refar refdb refed refer reffe rerde rere- reree

a-dead aaaaba ababda abaera abdera abeere aberra abrade abread abreed abrera adarra addada addaea aderra adfree adrara adread aerfer afdera afeard afeefa affade affear affeer affere affre araafa ararad arbaer arbra ardara ardeae ardeer areare aredde arfara arfarf arraba arrade arread arrear arrere baabaa