-al -ol a-a a-c aaa aac aal aao aar aas ac- aca acc acl aco acr acs al- ala alc all alo alr als aoa aoc aol aoo aor aos ar- ara arc arl aro arr ars as- asa asc asl aso asr ass c-- caa cac cal cao car cas cca ccc ccl cco ccr ccs cl- cla clc cll clo clr cls co- coa coc col coo cor cos cra crc crl cro crr crs csa csc csl cso csr css la- laa lac lal lao lar las lca lcc lcl lco lcr lcs lla llc lll llo llr lls loa loc lol loo lor los lra lrc lro lrr lrs lsa lsc lsl lso lsr lss oaa oac oal oao oar oas oc- oca occ ocl oco ocr ocs ola olc oll olo ols oo- ooa ooc ool ooo oor oos or- ora orc orl oro orr ors os- osa osc osl oso osr oss ra- raa rac ral rao rar ras rca rcc rcl rco rcr rcs rla rlc rll rlo rlr rls roa roc rol roo ror ros rra rrc rrl rrr rrs rsa rsc rsl rso rsr rss saa sac sal sao sar sas sca scc scl sco scr scs sla slc sll slo slr sls soa soc sol soo sor sos sr- sra src srl sro srr srs ss- ssa ssc ssl sso ssr sss