-al -ol -th a-a a-b a-t aaa aab aad aah aal aao aat ab- aba abb abd abh abl abo abt ad- ada adb add adh adl ado adt aha ahb ahd ahh ahl aho aht al- ala alb ald alh all alo alt aoa aob aod aoh aol aoo aot at- ata atb atd ath atl ato att baa bab bad bah bal bao bat bba bbb bbd bbh bbl bbo bbt bda bdb bdd bdh bdl bdo bdt bha bhb bhd bhh bhl bho bht bla blb bld blh bll blo blt boa bob bod boh bol boo bot bta btb btd bth btl bto btt daa dab dad dah dal dao dat dba dbb dbd dbh dbl dbo dbt dda ddb ddd ddh ddl ddo ddt dh- dha dhb dhd dhh dhl dho dht dl- dla dlb dld dlh dll dlo dlt doa dob dod doh dol doo dot dta dtb dtd dth dtl dto dtt haa hab had hah hal hao hat hba hbb hbd hbh hbl hbo hbt hda hdb hdd hdh hdl hdo hdt hha hhb hhd hhh hhl hho hht hla hlb hld hlh hll hlo hlt hoa hob hod hoh hol hoo hot hta htb htd hth htl hto htt la- laa lab lad lah lal lao lat lba lbb lbd lbh lbl lbo lbt lda ldb ldd ldh ldl ldo ldt lha lhb lhd lhh lho lht lla llb lld lll llo llt loa lob lod loh lol loo lot lta ltb ltd lth ltl lto ltt oaa oab oad oah oal oao oat ob- oba obb obd obh obl obo obt oda odb odd odh odl odo odt oha ohd ohh ohl oho oht ola olb old oll olo olt oo- ooa oob ood ooh ool ooo oot ot- ota otb otd oth otl oto ott taa tab tad tah tal tao tat tba tbb tbd tbh tbl tbo tbt tda tdb tdd tdh tdl tdo tdt th- tha thb thd thh thl tho tht tla tld tlh tll tlo tlt to- toa tob tod toh tol too tot tta ttb ttd tth ttl tto ttt