-al -ol a-a a-c aaa aac aal aan aao ac- aca acc acl acn aco al- ala alc all aln alo an- ana anc anl ann ano aoa aoc aol aon aoo c-- caa cac cal can cao cca ccc ccl ccn cco cl- cla clc cll cln clo cn- cna cnc cnl cnn cno co- coa coc col con coo la- laa lac lal lan lao lca lcc lcl lcn lco lla llc lll lln llo lna lnc lnl lnn lno loa loc lol lon loo naa nac nal nan nao nca ncc ncl ncn nco nla nlc nll nln nlo nna nnc nnl nnn nno no- noa noc nol non noo oaa oac oal oan oao oc- oca occ ocl ocn oco ola olc oll oln olo on- ona onc onl onn ono oo- ooa ooc ool oon ooo