-al -ol a-a a-c aaa aac aal aao aas ac- aca acc acl aco acs al- ala alc all alo als aoa aoc aol aoo aos as- asa asc asl aso ass c-- caa cac cal cao cas cca ccc ccl cco ccs cl- cla clc cll clo cls co- coa coc col coo cos csa csc csl cso css la- laa lac lal lao las lca lcc lcl lco lcs lla llc lll llo lls loa loc lol loo los lsa lsc lsl lso lss oaa oac oal oao oas oc- oca occ ocl oco ocs ola olc oll olo ols oo- ooa ooc ool ooo oos os- osa osc osl oso oss saa sac sal sao sas sca scc scl sco scs sla slc sll slo sls soa soc sol soo sos ss- ssa ssc ssl sso sss