-al -er a-a a-b a-c aaa aab aac aad aae aaj aak aal aar ab- aba abb abc abd abe abj abk abl abr ac- aca acb acc acd ace acj ack acl acr ad- ada adb adc add ade adj adk adl adr aea aeb aec aed aee aej aek ael aer aja ajb ajc ajd aje ajj ajk ajl ajr aka akb akc akd ake akj akk akl akr al- ala alb alc ald ale alj alk all alr ar- ara arb arc ard are arj ark arl arr baa bab bac bad bae baj bak bal bar bba bbb bbc bbd bbe bbk bbl bbr bca bcb bcc bcd bce bcj bck bcl bcr bda bdb bdc bdd bde bdj bdk bdl bdr be- bea beb bec bed bee bek bel ber bja bjc bjd bjj bjk bjr bka bkb bkc bke bkk bkl bkr bla blb blc bld ble blj blk bll blr bra brb brd bre brj brk brl brr c-- c-j caa cab cac cad cae caj cak cal car cba cbb cbc cbd cbe cbj cbk cbl cbr cca ccb ccc ccd cce ccj cck ccl ccr cda cdb cdc cdd cde cdj cdk cdl cdr ce- cea ceb cec ced cee cej cek cel cer cja cjb cjc cjd cjk cjr cka ckb ckc ckd cl- cla clb clc cld cle clj clk cll clr cra crb crc crd cre crj crk crl crr daa dab dac dad dae daj dak dal dar dba dbb dbc dbd dbe dbk dbl dbr dca dcb dcc dcd dce dck dcl dcr dda ddb ddc ddd dde ddk ddl ddr de- dea deb dec ded dee dej dek del der dj- dja djb djc djd dje djk djl dka dkb dkc dke dkk dkl dkr dl- dla dlb dlc dld dle dlj dlk dll dlr dra drb drc drd dre drj drk drl drr eaa eab eac ead eae eaj eak eal ear eba ebb ebc ebd ebe ebj ebk ebl ebr ec- eca ecb ecc ecd ece ecj eck ecl ecr ed- eda edb edc edd ede edj edk edl edr eea eeb eec eed eee eek eel eer eja ejc ejd ejl eka ekb ekc ekd eke ekl ekr ela elb elc eld ele elk ell elr era erb erc erd ere erk erl err j-d jaa jab jac jad jae jaj jak jal jar jba jbc jbj jbk jbl jbr jca jcb jcc jcd jce jck jcl jcr jda jdb jdc jde jdl jdr jea jeb jec jed jee jej jek jel jer jja jjb jjc jjj jjk jjl jjr jka jkb jkk jkl jkr jla jlb jlc jle jll jlr jra jrb jrc jrk jrl jrr ka- kaa kab kac kad kae kaj kak kal kar kba kbb kbc kbd kbe kbk kbl kbr kca kcb kcc kcd kce kck kcl kcr kda kdb kdc kde kdk kdl kdr ke- kea keb kec ked kee kek kel ker kjb kjc kje kjr kkb kkc kke kkk kkl kkr kl- kla klb klc kld klr kra krc krd krk krl krr la- laa lab lac lad lae laj lak lal lar lba lbb lbc lbd lbe lbj lbk lbl lbr lca lcb lcc lcd lce lcj lck lcl lcr lda ldb ldc ldd lde ldj ldk ldl ldr lea leb lec led lee lej lek lel ler lje ljj lka lkb lkl lkr lla llb llc lld lle llj llk lll llr lra lrb lrc lrd lrk lrr ra- raa rab rac rad rae raj rak ral rar rba rbb rbc rbd rbe rbk rbl rbr rca rcb rcc rcd rce rcj rcl rcr rda rdb rdc rdd rde rdj rdl rdr re- rea reb rec red ree rek rel rer rja rjc rjk rjr rkb rkc rke rkk rla rlc rld rle rll rlr rra rrb rrc rrd rrk rrl rrr

a-ak a-be aaaa aaab aaac aaad aaae aaal aaar aaba aabb aabc aabd aabl aaca aacb aacc aacd aace aack aacl aacr aada aadc aade aaea aaec aaka aake aala aalc aald aale aall aara aarc aard aare abaa abab abac abad abae abaj abak abal abar abb- abba abbb abbe abbr abca abcb abcc abcd abcl abcr abda abec abed abee abel aber abla able ablj abra abrc acaa acab acac acad acae acar acba acbl acca accc accd acce acda acdb acdc acde ace- acea acec aced acek acel acer ackd acke acla aclc acle aclr acr- acra acrc acre acrr adaa adab adac adad adae adak adal adar adba adbc adcc adda addc addd adde addl addr adea adeb adee adel ader adja adle adra adre aeac aecb aecl aede aeer aeka aela aelc aer- aera aerc aerd ajab ajac ajak ajar ajba ajed ajee ajka ajla akaa akae akal akar akca aked akee akel aker akka akle akr- akra akre alaa alac alad alae alak alal alar alb- alba albc albe alca alcc alce ald- alda alde aldl alea alec aled alee alek aler aljr alk- alka alkb alkd alke all- alla alle alll allr arab arac arad arae arak aral arar arba arbe arc- arca arce arda ardc arde ardl area arec ared aree arek arel arja arje arka arke arla arle arr- arra arrc arre arrk arrr baaa baad baak baal baar baba babb babe babr bac- baca bacc bace back bada badb badd bade badr baed baek bael baer baja bak- baka bake bakl bakr bala balc bald bale balk ball bar- bara barb barc bard bare bark barr bbad bbbb bbdd bbeb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcda bcde bcec bcer bcra bd-j bd-r bdbc bddc bdle bead beak beal bear beba bebb bebe beca beck beda bede bedl beeb beed beej beek beel beer beja beka beke bela beld bele belk bell bera berc berd bere berk berr bjcc bjec blaa blab blac blad blae blaj blak bldc bldr blea bleb bled blee blek blkb blkd blrc brab