-al a-a a-c a-t aaa aac aal aan aas aat ac- aca acc acl acn acs act al- ala alc all aln als alt an- ana anc anl ann ans ant as- asa asc asl asn ass ast at- ata atc atl atn ats att c-- caa cac cal can cas cat cca ccc ccl ccn ccs cct cl- cla clc cll cln cls clt cn- cna cnc cnl cnn cns cnt csa csc csl csn css cst cta ctc ctl ctn cts ctt la- laa lac lal lan las lat lca lcc lcl lcn lcs lct lla llc lll lln lls llt lna lnc lnl lnn lns lnt lsa lsc lsl lsn lss lst lta ltc ltl lts ltt naa nac nal nan nas nat nca ncc ncl ncn ncs nct nla nlc nll nln nls nlt nna nnc nnl nnn nns nnt nsa nsc nsl nsn nss nst nta ntc ntn nts ntt saa sac sal san sas sat sca scc scl scn scs sct sla slc sll sln sls slt sna snc snl snn sns snt ss- ssa ssc ssl ssn sss sst sta stc stl stn sts stt taa tac tal tan tas tat tca tcc tcl tcn tcs tct tla tlc tll tln tls tlt tna tnc tnl tnn tns tnt tsa tsc tsl tsn tss tst tta ttc ttl ttn tts ttt