-al a-a a-c aaa aac aak aal aan aar aas ac- aca acc ack acl acn acr acs aka akc akk akl akn akr aks al- ala alc alk all aln alr als an- ana anc ank anl ann anr ans ar- ara arc ark arl arn arr ars as- asa asc ask asl asn asr ass c-- caa cac cak cal can car cas cca ccc cck ccl ccn ccr ccs cka ckc cks cl- cla clc clk cll cln clr cls cn- cna cnc cnl cnn cnr cns cra crc crk crl crn crr crs csa csc csk csl csn csr css ka- kaa kac kak kal kan kar kas kca kcc kck kcl kcn kcr kcs kkc kkk kkl kkn kkr kks kl- kla klc klr kls kn- kna knc knk knl knn knr kra krc krk krl krn krr krs ksa ksc ksk ksl ksn ksr kss la- laa lac lak lal lan lar las lca lcc lck lcl lcn lcr lcs lka lkl lkr lks lla llc llk lll lln llr lls lna lnc lnk lnl lnn lnr lns lra lrc lrk lrn lrr lrs lsa lsc lsk lsl lsn lsr lss naa nac nak nal nan nar nas nca ncc nck ncl ncn ncr ncs nka nkc nkk nkn nkr nks nla nlc nlk nll nln nlr nls nna nnc nnk nnl nnn nns nra nrc nrk nrl nrn nrr nrs nsa nsc nsk nsl nsn nsr nss ra- raa rac rak ral ran rar ras rca rcc rcl rcn rcr rcs rkc rkk rks rla rlc rll rln rlr rls rna rnc rnn rnr rns rra rrc rrk rrl rrn rrr rrs rsa rsc rsk rsl rsn rsr rss saa sac sak sal san sar sas sca scc sck scl scn scr scs sk- ska skc skk skl skr sks sla slc slk sll sln slr sls sna snc snk snl snn snr sns sr- sra src srk srl srn srr srs ss- ssa ssc ssk ssl ssn ssr sss