-al -ol a-a a-c aaa aac aad aal aan aao ac- aca acc acd acl acn aco ad- ada adc add adl adn ado al- ala alc ald all aln alo an- ana anc and anl ann ano aoa aoc aod aol aon aoo c-- caa cac cad cal can cao cca ccc ccd ccl ccn cco cda cdc cdd cdl cdn cdo cl- cla clc cld cll cln clo cn- cna cnc cnd cnl cnn cno co- coa coc cod col con coo daa dac dad dal dan dao dca dcc dcd dcl dcn dco dda ddc ddd ddl ddn ddo dl- dla dlc dld dll dlo dna dnc dnd dnl dnn dno doa doc dod dol don doo la- laa lac lad lal lan lao lca lcc lcd lcl lcn lco lda ldc ldd ldl ldn ldo lla llc lld lll lln llo lna lnc lnd lnl lnn lno loa loc lod lol lon loo naa nac nad nal nan nao nca ncc ncd ncl ncn nco nda ndc ndd ndl ndn ndo nla nlc nld nll nln nlo nna nnc nnl nnn nno no- noa noc nod nol non noo oaa oac oad oal oan oao oc- oca occ ocd ocl ocn oco oda odc odd odl odn odo ola olc old oll oln olo on- ona onc ond onl onn ono oo- ooa ooc ood ool oon ooo