-al a-a a-c aaa aac aal aar aas ac- aca acc acl acr acs al- ala alc all alr als ar- ara arc arl arr ars as- asa asc asl asr ass c-- caa cac cal car cas cca ccc ccl ccr ccs cl- cla clc cll clr cls cra crc crl crr crs csa csc csl csr css la- laa lac lal lar las lca lcc lcl lcr lcs lla llc lll llr lls lra lrc lrr lrs lsa lsc lsl lsr lss ra- raa rac ral rar ras rca rcc rcl rcr rcs rla rlc rll rlr rls rra rrc rrl rrr rrs rsa rsc rsl rsr rss saa sac sal sar sas sca scc scl scr scs sla slc sll slr sls sr- sra src srl srr srs ss- ssa ssc ssl ssr sss