-al -er a-a a-b a-t aaa aab aae aak aal aar aat aax ab- aba abb abe abk abl abr abt abx aea aeb aee aek ael aer aet aex aka akb ake akk akl akr al- ala alb ale alk all alr alt alx ar- ara arb are ark arl arr art arx at- ata atb ate atl atr att atx ax- axa axe axk axl axr axt axx baa bab bae bak bal bar bat bax bba bbb bbe bbk bbl bbr bbt bbx be- bea beb bee bek bel ber bet bex bka bkb bke bkk bkl bkr bkt bkx bla blb ble blk bll blr blt blx bra brb bre brk brl brr brt brx bta btb bte btk btl btr btt btx bxb bxl bxx eaa eab eae eak eal ear eat eax eba ebb ebe ebk ebl ebr ebt ebx eea eeb eee eek eel eer eet eex eka ekb eke ekl ekr ekt ela elb ele elk ell elr elt elx era erb ere erk erl err ert eta etb ete etk etl etr ett etx ex- exa exe exl exr ext exx k-t ka- kaa kab kae kak kal kar kat kax kba kbb kbe kbk kbl kbr kbx ke- kea keb kee kek kel ker ket kex kkb kke kkk kkl kkr kkt kl- kla klb klr klt klx kra krk krl krr krt kta ktb kte ktk ktl ktr ktt kxl la- laa lab lae lak lal lar lat lax lba lbb lbe lbk lbl lbr lbt lbx lea leb lee lek lel ler let lex lka lkb lkl lkr lkt lla llb lle llk lll llr llt lra lrb lrk lrr lrt lta ltb lte ltk ltl ltr ltt ltx lxr lxx ra- raa rab rae rak ral rar rat rax rba rbb rbe rbk rbl rbr rbt rbx re- rea reb ree rek rel rer ret rex rkb rke rkk rkt rla rle rll rlr rlt rra rrb rrk rrl rrr rrt rta rtb rte rtk rtl rtr rtt rtx rxr t-x taa tab tae tak tal tar tat tax tba tbb tbe tbk tbl tbr tbt te- tea teb tee tek tel ter tet tex tka tkb tke tkk tkl tkr tkt tla tle tlk tll tlr tlt tlx tra trb tre trk trl trr trt trx tta ttb tte ttk ttl ttr ttt ttx txe txk txl txt xaa xak xal xar xat xbe xbl xbr xbx xee xel xer xet xex xkb xke xkl xla xlb xlr xlt xrt xrx xtr xtx xxl xxx

a-ak a-be aaaa aaab aaae aaal aaar aaba aabb aabl aabt aaea aaka aake aala aale aall aara aare aart aata aatk aatt abaa abab abae abak abal abar abat abax abb- abba abbb abbe abbr abbt abee abel aber abet abla able abra abta aeer aeka aela aer- aera aeta aetr aett aetx akaa akae akal akar akee akel aker akka akle akr- akra akre akte alaa alae alak alal alar alat alb- alba albe alea alee alek aler alet alex alk- alka alkb alke all- alla alle alll allr alta alte altx alxa arab arae arak aral arar arat arax arba arbe area aree arek arel aret arex arka arke arla arle arr- arra arre arrk arrr arrt arta arte artr artx at-l at-t at-x ataa atab atae atak atal atar atat atax atea atee atel ater atex atka atkt atla atle atra atre atrk atrx atta atte attr axal axar axat axel axer axle ba-x baaa baak baal baar baat baba babb babe babr baek bael baer bak- baka bake bakl bakr bakt bala bale balk ball balt bar- bara barb bare bark barr bart barx bata bate batt baxt bbbb bbeb bbet bblb beak beal bear beat beba bebb bebe beeb beek beel beer beet beka beke bela bele belk bell belt bera bere berk berr bert beta bete bett blaa blab blae blak blat blbt blea bleb blee blek blet blkb brab brae brak brat brax brea breb bree brek brel brer bret brex brka brkb brrr btaa btek btex btla btrt bttb e-la eaba eala eale eara earb eare earl eart eata eate eaxl ebal ebba ebbr ebel eber ebla eeea eeee eeka eeke eele eera eeta eete eext eka- ekab ekeb ekek eker eket ekka ekta el-b elab elal elar elat elba elbe elea elee elek eler elet elex elka elke ella elle elra elta elte er-x eral erat erba erbb erbe ereb erel erer eret erke erla erle erll erra erre erta ertl etak etal etat etbr etee etel eter etka etla etra etre etta ette exa- exel exer exrx exta exte extl extr kaaa kaab kaak kaal kaar kaat kaba kabb kabe kabr kael kaer kaet kaka kake kakk kakt kakx kala kalb kale kalk kall kalt kalx kara karb kare kark karl karr kart karx kat- kata katb kate katk katl katr katt katx kaxa kaxe kaxl kbaa kbab kbae kbak kbal kbar kbat kbba kbbb kbbe kbbk kbbl kbbr kbbt kbeb kbee kbek kbel kber kbet kbex kbkb kbkk kbkl kbkr kbla kblb kble kbll kblr kblt kbra kbrb kbre kbrk kbrl kbrt kbrx kbta kbtb kbte kbtk kbtl kbtr kbtt kbxb kbxl kbxr kbxt kbxx kea- keak keal kear keat keba kebb kebe kebr kebt keek keel keer keet keka kekb keke kekl kela kele kelk kell kelt ker- kera kerb kere kerk kerl kerr kert kerx ket- keta kete ketk ketr kett ketx kexa kexb kexl kexx kkaa kkal kkar kkat kkba kkbb kkbe kkbl kkbr kkbt kkea kkex kkkk kklb kkll kklx kkrb kkre kkrk kkrl kkrr kkrt kkrx kktk kktl kktx kkxa kkxk kkxl kkxt kkxx klaa klab klak klal klar klat klax klbb klbe klbl klbt klea kleb klee klek kler klet klex klka klkk klkl klkr klkx klla kllb klle kllk klrk klrr klrx kltk kltr kltt klxk klxr klxx krab krae krak kral krar krat krba krbb krbe krbk krbl krbr krbt krbx