-al -ic a-a a-c a-i aaa aac aaf aag aai aal aan aar aas ac- aca acc acf acg aci acl acn acr acs af- afa afc aff afg afi afl afn afr afs ag- aga agc agf agg agi agl agn agr ags ai- aia aic aif aig aii ail ain air ais al- ala alc alf alg ali all aln alr als an- ana anc anf ang ani anl ann anr ans ar- ara arc arf arg ari arl arn arr ars as- asa asc asf asg asi asl asn asr ass c-- caa cac caf cag cai cal can car cas cca ccc ccf ccg cci ccl ccn ccr ccs cfa cfc cff cfg cfi cfl cfn cfr cfs cga cgc cgg cgi cgl cgn cgr cgs ci- cia cic cif cig cii cil cin cir cis cl- cla clc clf clg cli cll cln clr cls cn- cna cnc cnf cng cni cnl cnn cnr cns cra crc crf crg cri crl crn crr crs csa csc csf csg csi csl csn csr css faa fac faf fag fai fal fan far fas fca fcc fcf fcg fci fcl fcn fcr fcs ffa ffc fff ffg ffi ffl ffn ffr ffs fga fgc fgf fgg fgi fgl fgn fgr fgs fia fic fif fig fii fil fin fir fis fla flc flf flg fli fll fln flr fls fna fnc fnf fng fni fnl fnn fnr fns fra frc frf frg fri frl frn frr frs fsa fsc fsf fsg fsi fsl fsn fsr fss gaa gac gaf gag gai gal gan gar gas gca gcc gcf gcg gci gcl gcn gcr gcs gfa gfc gff gfi gfl gfr gfs gga ggc ggg ggi ggn ggr ggs gia gic gif gig gii gil gin gir gis gla glc glf glg gli gll gln glr gls gna gnc gnf gni gnl gnn gnr gns gra grc grf grg gri grl grn grr grs gsa gsc gsf gsg gsi gsl gsn gsr gss i-f ia- iaa iac iaf iag iai ial ian iar ias ica icc icf icg ici icl icn icr ics ifa ifc iff ifg ifi ifl ifn ifr ifs iga igc igf igg igi igl ign igr igs iia iic iif iii iil iin iir iis il- ila ilc ilf ilg ili ill iln ilr ils in- ina inc inf ing ini inl inn inr ins ir- ira irc irf irg iri irl irn irr irs is- isa isc isf isg isi isl isn isr iss la- laa lac laf lag lai lal lan lar las lca lcc lcf lcg lci lcl lcn lcr lcs lfa lfc lff lfg lfi lfl lfn lfr lfs lga lgc lgf lgg lgi lgl lgn lgr lgs lia lic lif lig lii lil lin lir lis lla llc llf llg lli lll lln llr lls lna lnc lng lni lnl lnn lnr lns lra lrc lrf lrg lri lrn lrr lrs lsa lsc lsf lsg lsi lsl lsn lsr lss n-i naa nac naf nag nai nal nan nar nas nca ncc ncf ncg nci ncl ncn ncr ncs nfa nfc nff nfi nfl nfn nfr nfs nga ngc ngf ngg ngi ngl ngn ngs nia nic nif nig nii nil nin nir nis nla nlc nlf nlg nli nll nln nlr nls nna nnc nnf nng nni nnl nnn nns nra nrc nrf nrg nri nrl nrn nrr nrs nsa nsc nsf nsg nsi nsl nsn nsr nss ra- raa rac raf rag rai ral ran rar ras rca rcc rcf rcg rci rcl rcn rcr rcs rfa rfc rff rfg rfi rfl rfn rfr rfs rga rgc rgf rgg rgi rgn rgr rgs ria ric rif rig rii ril rin rir ris rla rlc rlf rlg rli rll rln rlr rls rna rnc rng rni rnn rnr rns rra rrc rrf rrg rri rrl rrn rrr rrs rsa rsc rsf rsg rsi rsl rsn rsr rss saa sac saf sag sai sal san sar sas sca scc scf scg sci scl scn scr scs sfa sfc sff sfg sfi sfl sfn sfr sfs sga sgc sgf sgg sgi sgl sgn sgr sgs sia sic sif sig sii sil sin sir sis sla slc slf slg sli sll sln slr sls sna snc snf sng sni snl snn snr sns sr- sra src srf srg sri srl srn srr srs ss- ssa ssc ssf ssg ssi ssl ssn ssr sss