-al a-a a-b aaa aab aad aae aaf aah aak aal ab- aba abb abd abe abf abh abk abl ad- ada adb add ade adf adh adk adl aea aeb aed aee aef aeh aek ael af- afa afb afd afe aff afh afk afl aha ahb ahd ahe ahf ahh ahk ahl aka akb akd ake akh akk akl al- ala alb ald ale alf alh alk all baa bab bad bae baf bah bak bal bba bbb bbd bbe bbf bbh bbk bbl bda bdb bdd bde bdf bdh bdk bdl be- bea beb bed bee bef beh bek bel bfa bfb bfd bfe bff bfh bfl bha bhb bhd bhe bhf bhh bhk bhl bka bkb bke bkf bkk bkl bla blb bld ble blf blh blk bll daa dab dad dae daf dah dak dal dba dbb dbd dbe dbf dbh dbk dbl dda ddb ddd dde ddf ddh ddk ddl de- dea deb ded dee def deh dek del dfa dfb dfd dfe dff dfh dfk dfl dh- dha dhb dhd dhe dhf dhh dhk dhl dka dkb dke dkk dkl dl- dla dlb dld dle dlf dlh dlk dll eaa eab ead eae eaf eah eak eal eba ebb ebd ebe ebf ebh ebk ebl ed- eda edb edd ede edf edh edk edl eea eeb eed eee eef eek eel ef- efa efb efd efe eff efh efl eha ehb ehd ehe ehf ehh ehl eka ekb ekd eke ekf ekh ekl ela elb eld ele elf elh elk ell faa fab fad fae faf fah fak fal fba fbb fbd fbe fbf fbh fbk fbl fda fdb fdd fde fdf fdh fdk fdl fea feb fed fee fef feh fek fel ffa ffd ffe fff ffh ffk ffl fha fhb fhe fhf fhh fhl fka fkb fkf fkk fkl fla flb fld fle flf fll haa hab had hae haf hah hak hal hba hbb hbd hbe hbf hbh hbk hbl hda hdb hdd hde hdf hdh hdk hdl he- hea heb hed hee hef heh hek hel hfa hfb hfd hfe hff hfh hfk hfl hha hhb hhd hhe hhf hhh hhk hhl hka hkb hkd hkf hkh hkk hkl hla hlb hld hle hlf hlh hll ka- kaa kab kad kae kaf kah kak kal kba kbb kbd kbe kbf kbh kbk kbl kda kdb kde kdf kdh kdk kdl ke- kea keb ked kee kef keh kek kel kfa kfd kff kfh kha khe khf khh khk kkb kke kkh kkk kkl kl- kla klb kld klf klh la- laa lab lad lae laf lah lak lal lba lbb lbd lbe lbf lbh lbk lbl lda ldb ldd lde ldf ldh ldk ldl lea leb led lee lef leh lek lel lfa lfb lfd lfe lff lfh lfk lfl lha lhb lhd lhf lhh lhk lka lkb lkh lkl lla llb lld lle llf llk lll