-al a-a a-b a-c aaa aab aac aad aae aak aal aam ab- aba abb abc abd abe abk abl abm ac- aca acb acc acd ace ack acl acm ad- ada adb adc add ade adk adl adm aea aeb aec aed aee aek ael aem aka akb akc akd ake akk akl akm al- ala alb alc ald ale alk all alm ama amb amc amd ame amk aml amm baa bab bac bad bae bak bal bam bba bbb bbc bbd bbe bbk bbl bbm bca bcb bcc bcd bce bck bcl bcm bda bdb bdc bdd bde bdk bdl bdm be- bea beb bec bed bee bek bel bem bka bkb bkc bke bkk bkl bkm bla blb blc bld ble blk bll blm bma bmb bmc bmd bme bmk bml bmm c-- caa cab cac cad cae cak cal cam cba cbb cbc cbd cbe cbk cbl cbm cca ccb ccc ccd cce cck ccl ccm cda cdb cdc cdd cde cdk cdl cdm ce- cea ceb cec ced cee cek cel cem cka ckb ckc ckd ckm cl- cla clb clc cld cle clk cll clm cma cmb cmc cmd cme cmk cml cmm daa dab dac dad dae dak dal dam dba dbb dbc dbd dbe dbk dbl dbm dca dcb dcc dcd dce dck dcl dcm dda ddb ddc ddd dde ddk ddl ddm de- dea deb dec ded dee dek del dem dka dkb dkc dke dkk dkl dkm dl- dla dlb dlc dld dle dlk dll dlm dma dmb dmc dmd dme dmk dml dmm eaa eab eac ead eae eak eal eam eba ebb ebc ebd ebe ebk ebl ebm ec- eca ecb ecc ecd ece eck ecl ecm ed- eda edb edc edd ede edk edl edm eea eeb eec eed eee eek eel eem eka ekb ekc ekd eke ekl ela elb elc eld ele elk ell elm em- ema emb emc emd eme emk eml emm ka- kaa kab kac kad kae kak kal kam kba kbb kbc kbd kbe kbk kbl kbm kca kcb kcc kcd kce kck kcl kcm kda kdb kdc kde kdk kdl kdm ke- kea keb kec ked kee kek kel kem kkb kkc kke kkk kkl kkm kl- kla klb klc kld klm kma kmb kmc kmd kme kmk kml kmm la- laa lab lac lad lae lak lal lam lba lbb lbc lbd lbe lbk lbl lbm lca lcb lcc lcd lce lck lcl lcm lda ldb ldc ldd lde ldk ldl ldm lea leb lec led lee lek lel lem lka lkb lkl lla llb llc lld lle llk lll llm lma lmb lmc lmd lme lmk lml lmm maa mab mac mad mae mak mal mam mba mbb mbc mbd mbe mbk mbl mbm mc- mca mcb mcc mcd mce mck mcl mcm mda mdb mdc mdd mde mdk mdl mdm mea meb mec med mee mek mel mem mka mkb mkc mkd mke mkk mkl mkm mla mlb mlc mld mle mlk mll mlm mma mmb mmc mmd mme mmk mml mmm

a-ak a-be aaaa aaab aaac aaad aaae aaal aaam aaba aabb aabc aabd aabl aabm aaca aacb aacc aacd aace aack aacl aacm aada aadc aade aaea aaec aaem aaka aake aala aalc aald aale aall aama aamb aamc aamd aame abaa abab abac abad abae abak abal abam abb- abba abbb abbe abca abcb abcc abcd abcl abda abec abed abee abel abla able abma abmb abmc acaa acab acac acad acae acba acbl acca accc accd acce accm acda acdb acdc acde acdm ace- acea acec aced acek acel acem ackd acke acla aclc acle acma acmc acme adaa adab adac adad adae adak adal adam adba adbc adcc adda addc addd adde addl adea adeb adee adel adem adle adma admb adme adml aeac aecb aecl aede aeka aela aelc akaa akae akal akam akca aked akee akel akka akle alaa alac alad alae alak alal alam alb- alba albc albe albm alca alcc alce ald- alda alde aldl aldm alea alec aled alee alek alem alk- alka alkb alkd alke all- alla alle alll alma almc alme amaa amac amad amae amal amam amb- amba ambe amca amcc amda amec amed amee amel amka amla amm- amma amme baaa baad baak baal baam baba babb babe babm bac- baca bacc bace back bada badb badd bade baed baek bael bak- baka bake bakl bala balc bald bale balk ball balm bama bamb bamc bame baml bamm bbad bbbb bbcm bbdd bbeb bblb bcaa bcam bcbc bcca bccc bccl bccm bcda bcde bcec bcma bdbc bddc bdle bead beak beal beam beba bebb bebe beca beck beda bede bedl beeb beed beek beel beem beka beke bela beld bele belk bell belm bema beme blaa blab blac blad blae blak blam bldc blea bleb bled blee blek blem blkb blkd blme bmaa bmce bmdb c-cd caaa caab caac caal caam caba cabe cac- caca cacc cace cack cacm cada cadc cadd cade cadm caec caem caka cake cala calc cald cale calk call calm cama camb camc came camk caml camm cbac cbal cbbc cbca cbcc cbce cbcl cbcm cbdb cbdc cbea cbec cbee cbka cbkl cbkm cblb cblc cbme ccaa ccab ccac ccad ccam ccba ccbc ccca cccb cccc cccl cccm ccdc ccdm cced ccee ccel cckm ccla cclc cclm ccma ccmb ccmc ccmd ccmm cd-e cdaa cdac cdad cdba cdda cddb cddl cdec cdma ceac cead ceal ceba cec- ceca cece cecm ceda cedd cede ceeb ceec ceel ceem ceke cel- cela celc cele cell cema cemb ceme cemm ckac ckbc ckbe ckck ckcl ckcm ckdm ckem cklm ckml clab clad clam clcd cldc clea clec cled clee clek clem clmd cmaa cmac cmba cmbc cmcc cmda cmdb cmea cmec cmla cmll cmmb cmmc cmml daab daad daae daal daam daba dabb daca dace dada dade daeb daem daka dake dala dale dalk dall dama damb dame daml damm