-al -ol a-a a-c aaa aac aal aan aao aas ac- aca acc acl acn aco acs al- ala alc all aln alo als an- ana anc anl ann ano ans aoa aoc aol aon aoo aos as- asa asc asl asn aso ass c-- caa cac cal can cao cas cca ccc ccl ccn cco ccs cl- cla clc cll cln clo cls cn- cna cnc cnl cnn cno cns co- coa coc col con coo cos csa csc csl csn cso css la- laa lac lal lan lao las lca lcc lcl lcn lco lcs lla llc lll lln llo lls lna lnc lnl lnn lno lns loa loc lol lon loo los lsa lsc lsl lsn lso lss naa nac nal nan nao nas nca ncc ncl ncn nco ncs nla nlc nll nln nlo nls nna nnc nnl nnn nno nns no- noa noc nol non noo nos nsa nsc nsl nsn nso nss oaa oac oal oan oao oas oc- oca occ ocl ocn oco ocs ola olc oll oln olo ols on- ona onc onl onn ono ons oo- ooa ooc ool oon ooo oos os- osa osc osl osn oso oss saa sac sal san sao sas sca scc scl scn sco scs sla slc sll sln slo sls sna snc snl snn sno sns soa soc sol son soo sos ss- ssa ssc ssl ssn sso sss