-al a-a a-c aaa aac aal aan aar aas ac- aca acc acl acn acr acs al- ala alc all aln alr als an- ana anc anl ann anr ans ar- ara arc arl arn arr ars as- asa asc asl asn asr ass c-- caa cac cal can car cas cca ccc ccl ccn ccr ccs cl- cla clc cll cln clr cls cn- cna cnc cnl cnn cnr cns cra crc crl crn crr crs csa csc csl csn csr css la- laa lac lal lan lar las lca lcc lcl lcn lcr lcs lla llc lll lln llr lls lna lnc lnl lnn lnr lns lra lrc lrn lrr lrs lsa lsc lsl lsn lsr lss naa nac nal nan nar nas nca ncc ncl ncn ncr ncs nla nlc nll nln nlr nls nna nnc nnl nnn nns nra nrc nrl nrn nrr nrs nsa nsc nsl nsn nsr nss ra- raa rac ral ran rar ras rca rcc rcl rcn rcr rcs rla rlc rll rln rlr rls rna rnc rnn rnr rns rra rrc rrl rrn rrr rrs rsa rsc rsl rsn rsr rss saa sac sal san sar sas sca scc scl scn scr scs sla slc sll sln slr sls sna snc snl snn snr sns sr- sra src srl srn srr srs ss- ssa ssc ssl ssn ssr sss