-al -ol -th a-a a-b a-t aaa aab aad aah aal aao aas aat ab- aba abb abd abh abl abo abs abt ad- ada adb add adh adl ado ads adt aha ahb ahd ahh ahl aho ahs aht al- ala alb ald alh all alo als alt aoa aob aod aoh aol aoo aos aot as- asa asb asd ash asl aso ass ast at- ata atb atd ath atl ato ats att baa bab bad bah bal bao bas bat bba bbb bbd bbh bbl bbo bbs bbt bda bdb bdd bdh bdl bdo bds bdt bha bhb bhd bhh bhl bho bhs bht bla blb bld blh bll blo bls blt boa bob bod boh bol boo bos bot bsa bsb bsd bsh bsl bso bss bst bta btb btd bth btl bto bts btt daa dab dad dah dal dao das dat dba dbb dbd dbh dbl dbo dbs dbt dda ddb ddd ddh ddl ddo dds ddt dh- dha dhb dhd dhh dhl dho dhs dht dl- dla dlb dld dlh dll dlo dls dlt doa dob dod doh dol doo dos dot dsa dsb dsd dsh dsl dso dss dst dta dtb dtd dth dtl dto dts dtt haa hab had hah hal hao has hat hba hbb hbd hbh hbl hbo hbs hbt hda hdb hdd hdh hdl hdo hds hdt hha hhb hhd hhh hhl hho hhs hht hla hlb hld hlh hll hlo hls hlt hoa hob hod hoh hol hoo hos hot hsa hsb hsd hsh hsl hss hst hta htb htd hth htl hto hts htt la- laa lab lad lah lal lao las lat lba lbb lbd lbh lbl lbo lbs lbt lda ldb ldd ldh ldl ldo lds ldt lha lhb lhd lhh lho lhs lht lla llb lld lll llo lls llt loa lob lod loh lol loo los lot lsa lsb lsd lsh lsl lso lss lst lta ltb ltd lth ltl lto lts ltt oaa oab oad oah oal oao oas oat ob- oba obb obd obh obl obo obs obt oda odb odd odh odl odo ods odt oha ohd ohh ohl oho ohs oht ola olb old oll olo ols olt oo- ooa oob ood ooh ool ooo oos oot os- osa osb osd osh osl oso oss ost ot- ota otb otd oth otl oto ots ott saa sab sad sah sal sao sas sat sba sbb sbd sbh sbl sbo sbs sbt sda sdb sdd sdh sdl sdo sds sdt sh- sha shb shd shh shl sho shs sht sla slb sld slh sll slo sls slt soa sob sod soh sol soo sos sot ss- ssa ssb ssd ssh ssl sso sss sst sta stb std sth stl sto sts stt taa tab tad tah tal tao tas tat tba tbb tbd tbh tbl tbo tbs tbt tda tdb tdd tdh tdl tdo tds tdt th- tha thb thd thh thl tho ths tht tla tld tlh tll tlo tls tlt to- toa tob tod toh tol too tos tot tsa tsb tsd tsh tsl tso tss tst tta ttb ttd tth ttl tto tts ttt