-al -ic a-a a-c a-i a-t aaa aac aaf aag aai aal aan aar aas aat ac- aca acc acf acg aci acl acn acr acs act af- afa afc aff afg afi afl afn afr afs aft ag- aga agc agf agg agi agl agn agr ags agt ai- aia aic aif aig aii ail ain air ais ait al- ala alc alf alg ali all aln alr als alt an- ana anc anf ang ani anl ann anr ans ant ar- ara arc arf arg ari arl arn arr ars art as- asa asc asf asg asi asl asn asr ass ast at- ata atc atf atg ati atl atn atr ats att c-- caa cac caf cag cai cal can car cas cat cca ccc ccf ccg cci ccl ccn ccr ccs cct cfa cfc cff cfg cfi cfl cfn cfr cfs cft cga cgc cgg cgi cgl cgn cgr cgs cgt ci- cia cic cif cig cii cil cin cir cis cit cl- cla clc clf clg cli cll cln clr cls clt cn- cna cnc cnf cng cni cnl cnn cnr cns cnt cra crc crf crg cri crl crn crr crs crt csa csc csf csg csi csl csn csr css cst cta ctc ctf ctg cti ctl ctn ctr cts ctt faa fac faf fag fai fal fan far fas fat fca fcc fcf fcg fci fcl fcn fcr fcs fct ffa ffc fff ffg ffi ffl ffn ffr ffs fft fga fgc fgf fgg fgi fgl fgn fgr fgs fgt fia fic fif fig fii fil fin fir fis fit fla flc flf flg fli fll fln flr fls flt fna fnc fnf fng fni fnl fnn fnr fns fnt fra frc frf frg fri frl frn frr frs frt fsa fsc fsf fsg fsi fsl fsn fsr fss fst fta ftc ftf ftg fti ftl ftn ftr fts ftt gaa gac gaf gag gai gal gan gar gas gat gca gcc gcf gcg gci gcl gcn gcr gcs gct gfa gfc gff gfi gfl gfr gfs gft gga ggc ggg ggi ggn ggr ggs ggt gia gic gif gig gii gil gin gir gis git gla glc glf glg gli gll gln glr gls glt gna gnc gnf gni gnl gnn gnr gns gnt gra grc grf grg gri grl grn grr grs grt gsa gsc gsf gsg gsi gsl gsn gsr gss gst gta gtc gtf gtg gti gtl gtn gtr gts gtt i-f ia- iaa iac iaf iag iai ial ian iar ias iat ica icc icf icg ici icl icn icr ics ict ifa ifc iff ifg ifi ifl ifn ifr ifs ift iga igc igf igg igi igl ign igr igs igt iia iic iif iii iil iin iir iis iit il- ila ilc ilf ilg ili ill iln ilr ils ilt in- ina inc inf ing ini inl inn inr ins int ir- ira irc irf irg iri irl irn irr irs irt is- isa isc isf isg isi isl isn isr iss ist ita itc itf itg iti itl itn its itt la- laa lac laf lag lai lal lan lar las lat lca lcc lcf lcg lci lcl lcn lcr lcs lct lfa lfc lff lfg lfi lfl lfn lfr lfs lft lga lgc lgf lgg lgi lgl lgn lgr lgs lgt lia lic lif lig lii lil lin lir lis lit lla llc llf llg lli lll lln llr lls llt lna lnc lng lni lnl lnn lnr lns lnt lra lrc lrf lrg lri lrn lrr lrs lrt lsa lsc lsf lsg lsi lsl lsn lsr lss lst lta ltc ltf ltg lti ltl ltr lts ltt n-i naa nac naf nag nai nal nan nar nas nat nca ncc ncf ncg nci ncl ncn ncr ncs nct nfa nfc nff nfi nfl nfn nfr nfs nft nga ngc ngf ngg ngi ngl ngn ngs ngt nia nic nif nig nii nil nin nir nis nit nla nlc nlf nlg nli nll nln nlr nls nlt nna nnc nnf nng nni nnl nnn nns nnt nra nrc nrf nrg nri nrl nrn nrr nrs nrt nsa nsc nsf nsg nsi nsl nsn nsr nss nst nta ntc ntf ntg nti ntn ntr nts ntt ra- raa rac raf rag rai ral ran rar ras rat rca rcc rcf rcg rci rcl rcn rcr rcs rct rfa rfc rff rfg rfi rfl rfn rfr rfs rft rga rgc rgf rgg rgi rgn rgr rgs rgt ria ric rif rig rii ril rin rir ris rit rla rlc rlf rlg rli rll rln rlr rls rlt rna rnc rng rni rnn rnr rns rnt rra rrc rrf rrg rri rrl rrn rrr rrs rrt rsa rsc rsf rsg rsi rsl rsn rsr rss rst rta rtc rtf rtg rti rtl rtn rtr rts rtt saa sac saf sag sai sal san sar sas sat sca scc scf scg sci scl scn scr scs sct sfa sfc sff sfg sfi sfl sfn sfr sfs sft sga sgc sgf sgg sgi sgl sgn sgr sgs sgt sia sic sif sig sii sil sin sir sis sit sla slc slf slg sli sll sln slr sls slt sna snc snf sng sni snl snn snr sns snt sr- sra src srf srg sri srl srn srr srs srt ss- ssa ssc ssf ssg ssi ssl ssn ssr sss sst sta stc stf stg sti stl stn str sts stt taa tac taf tag tai tal tan tar tas tat tca tcc tcf tcg tci tcl tcn tcr tcs tct tfa tfc tff tfg tfi tfl tfn tfr tfs tft tga tgc tgf tgg tgi tgl tgn tgr tgs tgt tia tic tif tig tii til tin tir tis tit tla tlc tlf tlg tli tll tln tlr tls tlt tna tnc tnf tng tni tnl tnn tnr tns tnt tra trc trf trg tri trl trn trr trs trt tsa tsc tsf tsg tsi tsl tsn tsr