-al -th a-a a-b a-t aaa aab aad aae aah aal aat ab- aba abb abd abe abh abl abt ad- ada adb add ade adh adl adt aea aeb aed aee aeh ael aet aha ahb ahd ahe ahh ahl aht al- ala alb ald ale alh all alt at- ata atb atd ate ath atl att baa bab bad bae bah bal bat bba bbb bbd bbe bbh bbl bbt bda bdb bdd bde bdh bdl bdt be- bea beb bed bee beh bel bet bha bhb bhd bhe bhh bhl bht bla blb bld ble blh bll blt bta btb btd bte bth btl btt daa dab dad dae dah dal dat dba dbb dbd dbe dbh dbl dbt dda ddb ddd dde ddh ddl ddt de- dea deb ded dee deh del det dh- dha dhb dhd dhe dhh dhl dht dl- dla dlb dld dle dlh dll dlt dta dtb dtd dte dth dtl dtt eaa eab ead eae eah eal eat eba ebb ebd ebe ebh ebl ebt ed- eda edb edd ede edh edl edt eea eeb eed eee eel eet eha ehb ehd ehe ehh ehl eht ela elb eld ele elh ell elt eta etb etd ete eth etl ett haa hab had hae hah hal hat hba hbb hbd hbe hbh hbl hbt hda hdb hdd hde hdh hdl hdt he- hea heb hed hee heh hel het hha hhb hhd hhe hhh hhl hht hla hlb hld hle hlh hll hlt hta htb htd hte hth htl htt la- laa lab lad lae lah lal lat lba lbb lbd lbe lbh lbl lbt lda ldb ldd lde ldh ldl ldt lea leb led lee leh lel let lha lhb lhd lhh lht lla llb lld lle lll llt lta ltb ltd lte lth ltl ltt taa tab tad tae tah tal tat tba tbb tbd tbe tbh tbl tbt tda tdb tdd tde tdh tdl tdt te- tea teb ted tee teh tel tet th- tha thb thd the thh thl tht tla tld tle tlh tll tlt tta ttb ttd tte tth ttl ttt