-al a-a a-c a-t aaa aac aal aan aar aas aat ac- aca acc acl acn acr acs act al- ala alc all aln alr als alt an- ana anc anl ann anr ans ant ar- ara arc arl arn arr ars art as- asa asc asl asn asr ass ast at- ata atc atl atn atr ats att c-- caa cac cal can car cas cat cca ccc ccl ccn ccr ccs cct cl- cla clc cll cln clr cls clt cn- cna cnc cnl cnn cnr cns cnt cra crc crl crn crr crs crt csa csc csl csn csr css cst cta ctc ctl ctn ctr cts ctt la- laa lac lal lan lar las lat lca lcc lcl lcn lcr lcs lct lla llc lll lln llr lls llt lna lnc lnl lnn lnr lns lnt lra lrc lrn lrr lrs lrt lsa lsc lsl lsn lsr lss lst lta ltc ltl ltr lts ltt naa nac nal nan nar nas nat nca ncc ncl ncn ncr ncs nct nla nlc nll nln nlr nls nlt nna nnc nnl nnn nns nnt nra nrc nrl nrn nrr nrs nrt nsa nsc nsl nsn nsr nss nst nta ntc ntn ntr nts ntt ra- raa rac ral ran rar ras rat rca rcc rcl rcn rcr rcs rct rla rlc rll rln rlr rls rlt rna rnc rnn rnr rns rnt rra rrc rrl rrn rrr rrs rrt rsa rsc rsl rsn rsr rss rst rta rtc rtl rtn rtr rts rtt saa sac sal san sar sas sat sca scc scl scn scr scs sct sla slc sll sln slr sls slt sna snc snl snn snr sns snt sr- sra src srl srn srr srs srt ss- ssa ssc ssl ssn ssr sss sst sta stc stl stn str sts stt taa tac tal tan tar tas tat tca tcc tcl tcn tcr tcs tct tla tlc tll tln tlr tls tlt tna tnc tnl tnn tnr tns tnt tra trc trl trn trr trs trt tsa tsc tsl tsn tsr tss tst tta ttc ttl ttn ttr tts ttt