-al a-a a-b a-c aaa aab aac aad aae aaj aak aal ab- aba abb abc abd abe abj abk abl ac- aca acb acc acd ace acj ack acl ad- ada adb adc add ade adj adk adl aea aeb aec aed aee aej aek ael aja ajb ajc ajd aje ajj ajk ajl aka akb akc akd ake akj akk akl al- ala alb alc ald ale alj alk all baa bab bac bad bae baj bak bal bba bbb bbc bbd bbe bbk bbl bca bcb bcc bcd bce bcj bck bcl bda bdb bdc bdd bde bdj bdk bdl be- bea beb bec bed bee bek bel bja bjc bjd bjj bjk bka bkb bkc bke bkk bkl bla blb blc bld ble blj blk bll c-- c-j caa cab cac cad cae caj cak cal cba cbb cbc cbd cbe cbj cbk cbl cca ccb ccc ccd cce ccj cck ccl cda cdb cdc cdd cde cdj cdk cdl ce- cea ceb cec ced cee cej cek cel cja cjb cjc cjd cjk cka ckb ckc ckd cl- cla clb clc cld cle clj clk cll daa dab dac dad dae daj dak dal dba dbb dbc dbd dbe dbk dbl dca dcb dcc dcd dce dck dcl dda ddb ddc ddd dde ddk ddl de- dea deb dec ded dee dej dek del dj- dja djb djc djd dje djk djl dka dkb dkc dke dkk dkl dl- dla dlb dlc dld dle dlj dlk dll eaa eab eac ead eae eaj eak eal eba ebb ebc ebd ebe ebj ebk ebl ec- eca ecb ecc ecd ece ecj eck ecl ed- eda edb edc edd ede edj edk edl eea eeb eec eed eee eek eel eja ejc ejd ejl eka ekb ekc ekd eke ekl ela elb elc eld ele elk ell j-d jaa jab jac jad jae jaj jak jal jba jbc jbj jbk jbl jca jcb jcc jcd jce jck jcl jda jdb jdc jde jdl jea jeb jec jed jee jej jek jel jja jjb jjc jjj jjk jjl jka jkb jkk jkl jla jlb jlc jle jll ka- kaa kab kac kad kae kaj kak kal kba kbb kbc kbd kbe kbk kbl kca kcb kcc kcd kce kck kcl kda kdb kdc kde kdk kdl ke- kea keb kec ked kee kek kel kjb kjc kje kkb kkc kke kkk kkl kl- kla klb klc kld la- laa lab lac lad lae laj lak lal lba lbb lbc lbd lbe lbj lbk lbl lca lcb lcc lcd lce lcj lck lcl lda ldb ldc ldd lde ldj ldk ldl lea leb lec led lee lej lek lel lje ljj lka lkb lkl lla llb llc lld lle llj llk lll

a-ak a-be aaaa aaab aaac aaad aaae aaal aaba aabb aabc aabd aabl aaca aacb aacc aacd aace aack aacl aada aadc aade aaea aaec aaka aake aala aalc aald aale aall abaa abab abac abad abae abaj abak abal abb- abba abbb abbe abca abcb abcc abcd abcl abda abec abed abee abel abla able ablj acaa acab acac acad acae acba acbl acca accc accd acce acda acdb acdc acde ace- acea acec aced acek acel ackd acke acla aclc acle adaa adab adac adad adae adak adal adba adbc adcc adda addc addd adde addl adea adeb adee adel adja adle aeac aecb aecl aede aeka aela aelc ajab ajac ajak ajba ajed ajee ajka ajla akaa akae akal akca aked akee akel akka akle alaa alac alad alae alak alal alb- alba albc albe alca alcc alce ald- alda alde aldl alea alec aled alee alek alk- alka alkb alkd alke all- alla alle alll baaa baad baak baal baba babb babe bac- baca bacc bace back bada badb badd bade baed baek bael baja bak- baka bake bakl bala balc bald bale balk ball bbad bbbb bbdd bbeb bblb bcaa bcbc bcca bccc bccl bcda bcde bcec bd-j bdbc bddc bdle bead beak beal beba bebb bebe beca beck beda bede bedl beeb beed beej beek beel beja beka beke bela beld bele belk bell bjcc bjec blaa blab blac blad blae blaj blak bldc blea bleb bled blee blek blkb blkd c-cd caaa caab caac caal caba cabe cac- caca cacc cace cack cada cadc cadd cade caec caja caka cake cala calc cald cale calk call cbac cbal cbbc cbca cbcc cbce cbcl cbdb cbdc cbea cbec cbee cbka cbkj cbkl cblb cblc ccaa ccab ccac ccad ccba ccbc ccca cccb cccc cccl ccdc cced ccee ccel ccla cclc cd-e cdaa cdac cdad cdba cdda cddb cddl cdec ceac cead ceal ceba cec- ceca cece ceda cedd cede ceeb ceec ceel ceja cejc ceke cel- cela celc cele cell cjad cjbc cjbk cjca cjcb cjcj cjcl cjdc ckac ckbc ckbe ckck ckcl clab clad clcd cldc clea clec cled clee clek daab daad daae daal daba dabb daca dace dada dade daeb daja dajc daka dake dala dale dalj dalk dall dbcc dcbc dcca dccb dccc dccl dcdb dddd ddlc deac dead deae deak deal deba debe dec- deca decc decd dece decj deck decl deda dedd dede deeb deed deek deel deja deje dejk dek- deka deke dela deld dele delk dell djed dkba dkdc dlab dlbd e-cl e-la eaba eaca eacc eada eadb eadd eaec eala ealc eald eale ebac ebal ebba ebbc ebcc ebed ebel ebla ecaa ecac ecad ecal ecbc ecbe ecca eccb eccc ecce eccl ecdc ecdl eced ecka ecla edac edad edca edda eddc edde ede- edea edel edla edle eeca eede eeea eeee eeka eeke eele eka- ekab ekeb eked ekek ekka el-b elab elac elad elal elba elbe elca elcb elce elda elde elea elec eled elee elek elka elke ella elle jaak jaal jaba jaca jacc jace jack jacl jada jade jael jaja jaka jake jala jalc jale jbaa jbel jcbc jccc jcda jebb jebe jeda jeed jeel jeke jell jjad