-al -ol a-a a-b aaa aab aad aah aal aao aas ab- aba abb abd abh abl abo abs ad- ada adb add adh adl ado ads aha ahb ahd ahh ahl aho ahs al- ala alb ald alh all alo als aoa aob aod aoh aol aoo aos as- asa asb asd ash asl aso ass baa bab bad bah bal bao bas bba bbb bbd bbh bbl bbo bbs bda bdb bdd bdh bdl bdo bds bha bhb bhd bhh bhl bho bhs bla blb bld blh bll blo bls boa bob bod boh bol boo bos bsa bsb bsd bsh bsl bso bss daa dab dad dah dal dao das dba dbb dbd dbh dbl dbo dbs dda ddb ddd ddh ddl ddo dds dh- dha dhb dhd dhh dhl dho dhs dl- dla dlb dld dlh dll dlo dls doa dob dod doh dol doo dos dsa dsb dsd dsh dsl dso dss haa hab had hah hal hao has hba hbb hbd hbh hbl hbo hbs hda hdb hdd hdh hdl hdo hds hha hhb hhd hhh hhl hho hhs hla hlb hld hlh hll hlo hls hoa hob hod hoh hol hoo hos hsa hsb hsd hsh hsl hss la- laa lab lad lah lal lao las lba lbb lbd lbh lbl lbo lbs lda ldb ldd ldh ldl ldo lds lha lhb lhd lhh lho lhs lla llb lld lll llo lls loa lob lod loh lol loo los lsa lsb lsd lsh lsl lso lss oaa oab oad oah oal oao oas ob- oba obb obd obh obl obo obs oda odb odd odh odl odo ods oha ohd ohh ohl oho ohs ola olb old oll olo ols oo- ooa oob ood ooh ool ooo oos os- osa osb osd osh osl oso oss saa sab sad sah sal sao sas sba sbb sbd sbh sbl sbo sbs sda sdb sdd sdh sdl sdo sds sh- sha shb shd shh shl sho shs sla slb sld slh sll slo sls soa sob sod soh sol soo sos ss- ssa ssb ssd ssh ssl sso sss