-al a-a a-b a-c aaa aab aac aad aae aal aau aax ab- aba abb abc abd abe abl abu abx ac- aca acb acc acd ace acl acu acx ad- ada adb adc add ade adl adu adx aea aeb aec aed aee ael aeu aex al- ala alb alc ald ale all alu alx au- aua aub auc aud aue aul aux ax- axa axe axl axx b-u baa bab bac bad bae bal bau bax bba bbb bbc bbd bbe bbl bbu bbx bca bcb bcc bcd bce bcl bcu bcx bda bdb bdc bdd bde bdl bdu bdx be- bea beb bec bed bee bel beu bex bla blb blc bld ble bll blu blx bua bub buc bud bue bul buu bux bxb bxd bxl bxx c-- caa cab cac cad cae cal cau cax cba cbb cbc cbd cbe cbl cbu cbx cca ccb ccc ccd cce ccl ccu ccx cda cdb cdc cdd cde cdl cdu cdx ce- cea ceb cec ced cee cel ceu cex cl- cla clb clc cld cle cll clu clx cua cub cuc cud cue cul cuu cxc cxl cxx daa dab dac dad dae dal dau dax dba dbb dbc dbd dbe dbl dbu dbx dca dcb dcc dcd dce dcl dcu dcx dda ddb ddc ddd dde ddl ddu ddx de- dea deb dec ded dee del deu dex dl- dla dlb dlc dld dle dll dlu dlx dua dub duc dud due dul dux dxc dxd dxl dxx eaa eab eac ead eae eal eau eax eba ebb ebc ebd ebe ebl ebu ebx ec- eca ecb ecc ecd ece ecl ecu ecx ed- eda edb edc edd ede edl edu edx eea eeb eec eed eee eel eex ela elb elc eld ele ell elu elx eu- eua eub euc eud eue eul eux ex- exa exc exd exe exl exu exx la- laa lab lac lad lae lal lau lax lba lbb lbc lbd lbe lbl lbu lbx lca lcb lcc lcd lce lcl lcu lcx lda ldb ldc ldd lde ldl ldu lea leb lec led lee lel leu lex lla llb llc lld lle lll llu lua lub luc lud lue lul luu lux lxc lxd lxx ua- uaa uab uac uad uae ual uau uba ubb ubc ube ubl ubu ubx uca ucb ucc ucd uce ucl ucu uda udb udc udd ude udl udu udx uea ueb uec ued uee uel ula ulb ulc uld ule ull ulu uua uuc uue uuu uxb uxc uxu xaa xac xad xal xau xbc xbe xbl xbx xcb xcd xcl xcx xda xdb xdc xde xed xee xel xeu xex xla xlb xld xue xul xxl xxx

a-be aaaa aaab aaac aaad aaae aaal aaba aabb aabc aabd aabl aaca aacb aacc aacd aace aacl aacu aada aadc aade aadu aaea aaec aala aalc aald aale aall aalu abaa abab abac abad abae abal abau abax abb- abba abbb abbe abca abcb abcc abcd abcl abda abdu abec abed abee abel abla able abua abud abue abul acaa acab acac acad acae acba acbl acca accc accd acce accu acda acdb acdc acde ace- acea acec aced acel acla aclc acle aclu acu- acue acul adaa adab adac adad adae adal adba adbc adcc adda addc addd adde addl addu adea adeb adee adel adle adua adub adue aeac aecb aecl aede aela aelc alaa alac alad alae alal alau alb- alba albc albe albu alca alcc alce ald- alda alde aldl alea alec aled alee aleu alex all- alla alle alll allu alua alux alxa auaa aube auca auce audc aude auel aul- aula auld aule aull aulu auxa axal axce axed axel axle ba-x baaa baad baal baba babb babe babu bac- baca bacc bace bada badb badd bade badu baed bael bala balc bald bale ball balu bau- baud baul baux bbad bbau bbbb bbdd bbeb bblb bcaa bcbc bcca bccc bccl bcda bcde bcec bcuc bdbc bddc bdle bead beal beau beba bebb bebe beca becu beda bede bedl bedu beeb beed beel bela beld bele bell belu beux blaa blab blac blad blae blau blcu bldc blea bleb bled blee bleu blub blud blue buad bual buba bubb bube bubu buca bucc buce bucu buda budb budd bude budl budu buea buel bueu bula bulb buld bule bull bulu buxa c-cd caaa caab caac caal caba cabe cabu cac- caca cacc cace cada cadc cadd cade cadu caec caeu caex cala calc cald cale call calu calx cauc caul caux caxa cbac cbal cbax cbbc cbca cbcc cbce cbcl cbcu cbdb cbdc cbea cbec cbee cblb cblc cbux cbxa ccaa ccab ccac ccad ccba ccbc ccca cccb cccc cccl cccu ccdc cced ccee ccel ccla cclc cclx ccuc ccxl cd-e cdaa cdac cdad cdax cdba cdda cddb cddl cdec cdex cdxl ceac cead ceal ceba cebu cec- ceca cece ceda cedd cede cedu ceeb ceec ceel cel- cela celc cele cell ceux cexe clab clad clau clcd cldc clea clec cled clee cleu club clud clue clux clxx cuau cub- cuba cubb cube cuca cucc cuce cuda cude cued cula culb culc culd cule cull cxxx daab daad daae daal daau daba dabb dabu daca dace dada dade dadu daeb daeu dala dale dall dalu daub daud daue daux dbcc dcbc dcca dccb dccc dccl dccu dcdb dcxl dcxx dddd ddlc ddub deac dead deae deal deau deba debe debu dec- deca decc decd dece decl deda dedd dede dedu deeb deed deel dela deld dele dell deua deue deul deux dex- dexa dexe dlab dlbd dlux duaa duab duad dual dub- duba dubb dubc dube dubu duca duce duda dudd dude dudu duel dula dulc dule dull dulu duul dxab dxbc dxbe dxbl dxcb dxcc dxcl dxdc dxec dxed dxel dxll dxue dxxl dxxx e-cl e-la eaba eaca eacc eada eadb eadd eaec eala ealc eald eale eaux eaxl ebac ebal ebba ebbc ebcc ebed ebel