-al -th a-a a-b a-t aaa aab aad aaf aah aal aat ab- aba abb abd abf abh abl abt ad- ada adb add adf adh adl adt af- afa afb afd aff afh afl aft aha ahb ahd ahf ahh ahl aht al- ala alb ald alf alh all alt at- ata atb atd atf ath atl att baa bab bad baf bah bal bat bba bbb bbd bbf bbh bbl bbt bda bdb bdd bdf bdh bdl bdt bfa bfb bfd bff bfh bfl bft bha bhb bhd bhf bhh bhl bht bla blb bld blf blh bll blt bta btb btd btf bth btl btt daa dab dad daf dah dal dat dba dbb dbd dbf dbh dbl dbt dda ddb ddd ddf ddh ddl ddt dfa dfb dfd dff dfh dfl dft dh- dha dhb dhd dhf dhh dhl dht dl- dla dlb dld dlf dlh dll dlt dta dtb dtd dtf dth dtl dtt faa fab fad faf fah fal fat fba fbb fbd fbf fbh fbl fbt fda fdb fdd fdf fdh fdl fdt ffa ffd fff ffh ffl fft fha fhb fhf fhh fhl fla flb fld flf fll flt fta ftb ftd ftf fth ftl ftt haa hab had haf hah hal hat hba hbb hbd hbf hbh hbl hbt hda hdb hdd hdf hdh hdl hdt hfa hfb hfd hff hfh hfl hft hha hhb hhd hhf hhh hhl hht hla hlb hld hlf hlh hll hlt hta htb htd htf hth htl htt la- laa lab lad laf lah lal lat lba lbb lbd lbf lbh lbl lbt lda ldb ldd ldf ldh ldl ldt lfa lfb lfd lff lfh lfl lft lha lhb lhd lhf lhh lht lla llb lld llf lll llt lta ltb ltd ltf lth ltl ltt taa tab tad taf tah tal tat tba tbb tbd tbf tbh tbl tbt tda tdb tdd tdf tdh tdl tdt tfa tfb tfd tff tfh tfl tft th- tha thb thd thf thh thl tht tla tld tlf tlh tll tlt tta ttb ttd ttf tth ttl ttt