-al -ol a-a a-b aaa aab aad aah aal aan aao ab- aba abb abd abh abl abn abo ad- ada adb add adh adl adn ado aha ahb ahd ahh ahl ahn aho al- ala alb ald alh all aln alo an- ana anb and anh anl ann ano aoa aob aod aoh aol aon aoo baa bab bad bah bal ban bao bba bbb bbd bbh bbl bbn bbo bda bdb bdd bdh bdl bdo bha bhb bhd bhh bhl bho bla blb bld blh bll bln blo bna bnb bnd bnl bnn bno boa bob bod boh bol bon boo daa dab dad dah dal dan dao dba dbb dbd dbh dbl dbn dbo dda ddb ddd ddh ddl ddn ddo dh- dha dhb dhd dhh dhl dho dl- dla dlb dld dlh dll dlo dna dnb dnd dnh dnl dnn dno doa dob dod doh dol don doo haa hab had hah hal han hao hba hbb hbd hbh hbl hbn hbo hda hdb hdd hdh hdl hdn hdo hha hhb hhd hhh hhl hhn hho hla hlb hld hlh hll hln hlo hna hnb hnd hnh hnl hnn hno hoa hob hod hoh hol hon hoo la- laa lab lad lah lal lan lao lba lbb lbd lbh lbl lbo lda ldb ldd ldh ldl ldn ldo lha lhb lhd lhh lho lla llb lld lll lln llo lna lnb lnd lnh lnl lnn lno loa lob lod loh lol lon loo naa nab nad nah nal nan nao nba nbb nbd nbl nbn nbo nda ndb ndd ndh ndl ndn ndo nha nhb nhd nhh nhl nhn nla nlb nld nlh nll nln nlo nna nnb nnh nnl nnn nno no- noa nob nod noh nol non noo oaa oab oad oah oal oan oao ob- oba obb obd obh obl obn obo oda odb odd odh odl odn odo oha ohd ohh ohl ohn oho ola olb old oll oln olo on- ona onb ond onh onl onn ono oo- ooa oob ood ooh ool oon ooo