a-ak a-be aaaa aaab aaad aaae aaaf aaal aaar aaba aabb aabd aabl aabt aada aade aadt aaea aafa aafb aafd aaff aafl aaka aake aala aald aale aall aara aard aare aart aata aatf aatk aatt abaa abab abad abae abaf abak abal abar abat abb- abba abbb abbe abbr abbt abda abed abee abel aber abet abff abla able abra abta adaa adab adad adae adak adal adar adat adba adda addd adde addl addr adea adeb adee adel ader adet adfa adfl adle adra adre adta aeaf aede aedt aeer aeka aela aer- aera aerd aeta aetf aetr aett afaa afad afak afar afat afdb afdl afee afek afel afer afet affa afft afka afkr afla afle afr- afra afre afta afte akaa akae akal akar aked akee akel aker akka akle akr- akra akre akte alaa alad alae alak alal alar alat alb- alba albe ald- alda alde aldl alea aled alee alef alek aler alet alfa alfe alk- alka alkb alkd alke all- alla alle alll allr alta alte arab arad arae araf arak aral arar arat arba arbe arda arde ardf ardl area ared aree aref arek arel aret arfa arfb arff arft arka arke arla arle arr- arra arre arrk arrr arrt arta arte artr at-l at-t ataa atab atad atae atak atal atar atat atdt atea ated atee atef atel ater atfb atfe atka atkt atla atle atra atre atrk atta atte attr baaa baad baaf baak baal baar baat baba babb babe babr bada badb badd bade badr baed baek bael baer baff baft bak- baka bake bakl bakr bakt bala bald bale balf balk ball balt bar- bara barb bard bare barf bark barr bart bata bate batf batt bbad bbbb bbdd bbeb bbet bblb bd-r bdle bead beaf beak beal bear beat beba bebb bebe beda bede bedl beeb beed beef beek beel beer beet befa befe beff beft beka beke bela beld bele belk bell belt bera berd bere berk berr bert beta bete bett bffl bfta bftt blaa blab blad blae blak blat blbt bldr blea bleb bled blee blek blet blkb blkd brab brad brae braf brak brat brda brdt brea breb bred bree bref brek brel brer bret brka brkb brrr btaa btaf btdt btek btla btrt bttb daab daad daae daal daar daba dabb dabt dada dade daeb daer dafa dafe daff daft daka dake dala dale dalf dalk dall dalt dara darb dard dare darf dark darl darr dart data date datr datt dbar dbtt dddd ddre dead deae deaf deak deal dear deba debe debt deda dedd dede deeb deed deef deek deel deer deet defe deff deft dek- deka deke dela deld dele delf delk dell delt der- dera derb dere derf derk derr deta dete detk detr dfaf dfdt dfer dffa dfrf dftr dkba dlab dlbd draa drab drad draf drak drar drat drba drda drea dred dree dref drek drel dret drra dtaa dted dtek dtla dtle dtrl e-la eaaf eaba eada eadb eadd eafb eala eald eale eara earb eard eare earl eart eata eate ebal ebba ebbr ebed ebel eber ebla edad edar edda edde ede- edea edel eder edfa edfl edla edle edra edta eede eeea eeee eefa eefe eefl eeka eeke eele eera eeta eete efab efbr efda efet effa efke efla eft- efta eka- ekab ekeb eked ekek eker eket ekka ekta el-b elab elad elal elar elat elba elbe elda elde eldr elea eled elee elef elek eler elet elfa elfe elft elka elke ella elle elra elta elte erad eraf eral erat erba erbb erbe erda erde erdf ereb ered erel erer eret erft erke erla erld erle erll erra erre erta ertl etak etal etat etbr etee etel eter etfa etfb etfe etka etla etra etre etta ette f--k faaa faad faba fabd fabe fada fadd fade faeb fafa fafe faff fake fakt fala fald fale falk fall falt fara farb fard fare fark farl farr fart fata fate fatf fatt fbar fbla fble fdlr fdtl fead feaf feak feal fear feat feba feda fede feeb feed feek feel feer feet fefe feff feke fela feld fele felf felk fell felt fera ferb ferd fere ferk ferr fert feta fete fetr fett ffar ffee ffff ffrr fftf fkab flab flad flae flak flat fldr flea fled flee fler flet fltk frab frad frae frak frat frea fred free fret frla frta ft-l ftea fter ftlb kaaa kaab kaaf kaak kaal kaar kaat kaba kabb kabd kabe kabf kabr kad- kada kadd kade kadf kadl kadr kadt kael kaer kaet kafa kafe kaff kafr kaka kake kakk kakt kala kalb kald kale kalf kalk kall kalt kara karb kard kare karf kark karl karr kart kat- kata katb katd kate katf katk katl katr katt kbaa kbab kbad kbae kbak kbal kbar kbat kbba kbbb kbbd kbbe kbbf kbbk kbbl kbbr kbbt kbdb kbde kbdf kbdl kbdr kbeb kbed kbee kbef kbek kbel kber kbet kbfb kbff kbfk kbfl kbfr kbft kbkb kbkf kbkk kbkl kbkr kbla kblb kbld kble kblf kbll kblr kblt kbra kbrb kbrd kbre kbrf kbrk kbrl kbrt kbta kbtb kbte kbtf kbtk kbtl kbtr kbtt kdaa kdab kdad kdae kdaf kdak kdal kdar kdat kdbb kdbl kdbr kddb kddd kddf kddk kddl kddr kdeb kdef kdel kdet kdfr kdft kdka kdkb kdkd kdkk kdkr kdkt kdla kdlb kdld kdlf kdll kdlr kdrb kdrf kdrl kdta kdtd kdtr kea- kead keak keal kear keat keba kebb kebe kebr kebt keda kedb kedd kede kedr kedt keed keef keek keel keer keet kefa kefb keff kefr keft keka kekb keke kekl kela keld kele kelf kelk kell kelt ker- kera kerb kere kerf kerk kerl kerr kert ket- keta ketd kete ketf ketk ketr kett kfab kfal kfar kfat kfbk kfbt kfda kfeb kfed kfel kfer kffa kffb kfff kffk kfka kfkb kfla kflb kfld kflf kfll kflt kfra kfrd kfre kfrr kfta kfte kftk kftt kkaa kkal kkar