-al -er a-a a-b a-c aaa aab aac aae aal aar aax ab- aba abb abc abe abl abr abx ac- aca acb acc ace acl acr acx aea aeb aec aee ael aer aex al- ala alb alc ale all alr alx ar- ara arb arc are arl arr arx ax- axa axe axl axr axx baa bab bac bae bal bar bax bba bbb bbc bbe bbl bbr bbx bca bcb bcc bce bcl bcr bcx be- bea beb bec bee bel ber bex bla blb blc ble bll blr blx bra brb bre brl brr brx bxb bxl bxx c-- caa cab cac cae cal car cax cba cbb cbc cbe cbl cbr cbx cca ccb ccc cce ccl ccr ccx ce- cea ceb cec cee cel cer cex cl- cla clb clc cle cll clr clx cra crb crc cre crl crr crx cxc cxl cxr cxx eaa eab eac eae eal ear eax eba ebb ebc ebe ebl ebr ebx ec- eca ecb ecc ece ecl ecr ecx eea eeb eec eee eel eer eex ela elb elc ele ell elr elx era erb erc ere erl err ex- exa exc exe exl exr exx la- laa lab lac lae lal lar lax lba lbb lbc lbe lbl lbr lbx lca lcb lcc lce lcl lcr lcx lea leb lec lee lel ler lex lla llb llc lle lll llr lra lrb lrc lrr lxc lxr lxx ra- raa rab rac rae ral rar rax rba rbb rbc rbe rbl rbr rbx rca rcb rcc rce rcl rcr rcx re- rea reb rec ree rel rer rex rla rlc rle rll rlr rra rrb rrc rrl rrr rxr xaa xac xal xar xbc xbe xbl xbr xbx xcb xcl xcr xcx xee xel xer xex xla xlb xlr xrc xrx xxl xxx

a-be aaaa aaab aaac aaae aaal aaar aaba aabb aabc aabl aaca aacb aacc aace aacl aacr aaea aaec aala aalc aale aall aara aarc aare abaa abab abac abae abal abar abax abb- abba abbb abbe abbr abca abcb abcc abcl abcr abec abee abel aber abla able abra abrc acaa acab acac acae acar acba acbl acca accc acce ace- acea acec acel acer acla aclc acle aclr acr- acra acrc acre acrr aeac aecb aecl aeer aela aelc aer- aera aerc alaa alac alae alal alar alb- alba albc albe alca alcc alce alea alec alee aler alex all- alla alle alll allr alxa arab arac arae aral arar arax arba arbe arc- arca arce area arec aree arel arex arla arle arr- arra arrc arre arrr axal axar axce axel axer axle ba-x baaa baal baar baba babb babe babr bac- baca bacc bace bael baer bala balc bale ball bar- bara barb barc bare barr barx bbbb bbeb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcec bcer bcra beal bear beba bebb bebe beca beeb beel beer bela bele bell bera berc bere berr blaa blab blac blae blea bleb blee blrc brab brac brae brax brca brcb brce brea breb brec bree brel brer brex brrr caaa caab caac caal caba cabe cac- caca cacc cace cacr caec caer caex cala calc cale call calx cara carb carc care carl carr carx caxa cbac cbal cbar cbax cbbc cbca cbcc cbce cbcl cbcr cbea cbec cbee cber cblb cblc cbre cbrl cbxa ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl ccee ccel ccla cclc cclx ccra ccrc ccre ccrl ccxl ceac ceal cear ceba cec- ceca cece ceeb ceec ceel cel- cela celc cele cell cer- cera cerc cere cerl cexe clab clar clea clec clee cler clra clxx crab crac crar crax crbc crca crcc crce crcr cre- crea creb crec cree crex cxxx e-cl e-la eaba eaca eacc eaec eala ealc eale eara earb eare earl eaxl ebac ebal ebba ebbc ebbr ebcc ebel eber ebla ecaa ecac ecal ecar ecbc ecbe ecca eccb eccc ecce eccl ecla ecra ecrc ecrl ecrr eeca eeea eeee eele eera eerc el-b elab elac elal elar elba elbe elca elcb elce elea elec elee eler elex ella elle elra er-x eral erba erbb erbe erca ercc erce ereb erec erel erer erla erle erll erra errc erre exa- excl exec exel exer exrx laaa laac laal laar laax laba labe labr laca lacc lace lacl lael laer lala lale lall lara larb larc lare larr laxa laxe lbar lbcc lblr lcac lcbc lcca lccc lcce lcer lcra lcrl leaa leal lear leba leca lece leea leel leer lela lele lell lera lerc lere lexa lexx llcc lllc llll lrac lral lrba lrrc lrrr lxra lxxx raab raba rabb rabe rabl rac- raca racc race raec rael raer rala ralb rale rall rara rarb rare raxa rbbb rbbr rbcl rble rcac rcbc rccb rccc rcle rea- reac reae real rear reba rebb rebe reca recc rece recr reeb reel rela relb rele rell rera rere rexx rlab rlee rrle rrrr xaar xace xacl xala xall xara xare xbar xbee xbel xbra xbrl xcal xcbl xcel xeer xela xer- xera xexe xxxx

-aaa- a-l-x a-lee a-lex aaace aaaee aaarc aabaa aabba aabel aabra aacbc abaab ababa ababe abaca abaer abala abale aball abara abare abbac abbar abccc abeal abear abeba abebe abece abeel abeer abela abele abell abera abere aberr abler abrac abrar acaca acacb acala acale acall acar- acara acare accel accra aceae acela acele acell acera acerb aclla acrab acral acrea acree aeaea aebbe aella aelle aeral alaba alaca alace alala alara alare albac albal albar albee alcae alcea alcee alcra aleae alear aleax alele alera alere alexa alexe allal allar allbe allee allel aller allex allra ar-ab ara-c arab- araba arabe araca arace araea arara arare araxa arbab arbar arbee arbel arber arbre arcae arcee arcel areae areal arear areca areel arere arexx arlee arrea axcel ba-le baabe baalc babar babax babec babee babel baber bable babra bacab bacar bacax bacca bacea balac balae