-al -ol a-a a-c aaa aac aad aal aao aas ac- aca acc acd acl aco acs ad- ada adc add adl ado ads al- ala alc ald all alo als aoa aoc aod aol aoo aos as- asa asc asd asl aso ass c-- caa cac cad cal cao cas cca ccc ccd ccl cco ccs cda cdc cdd cdl cdo cds cl- cla clc cld cll clo cls co- coa coc cod col coo cos csa csc csd csl cso css daa dac dad dal dao das dca dcc dcd dcl dco dcs dda ddc ddd ddl ddo dds dl- dla dlc dld dll dlo dls doa doc dod dol doo dos dsa dsc dsd dsl dso dss la- laa lac lad lal lao las lca lcc lcd lcl lco lcs lda ldc ldd ldl ldo lds lla llc lld lll llo lls loa loc lod lol loo los lsa lsc lsd lsl lso lss oaa oac oad oal oao oas oc- oca occ ocd ocl oco ocs oda odc odd odl odo ods ola olc old oll olo ols oo- ooa ooc ood ool ooo oos os- osa osc osd osl oso oss saa sac sad sal sao sas sca scc scd scl sco scs sda sdc sdd sdl sdo sds sla slc sld sll slo sls soa soc sod sol soo sos ss- ssa ssc ssd ssl sso sss