-ic a-a a-c a-i aaa aac aad aaf aag aai aan aar ac- aca acc acd acf acg aci acn acr ad- ada adc add adf adg adi adn adr af- afa afc afd aff afg afi afn afr ag- aga agc agd agf agg agi agn agr ai- aia aic aid aif aig aii ain air an- ana anc and anf ang ani ann anr ar- ara arc ard arf arg ari arn arr c-- caa cac cad caf cag cai can car cca ccc ccd ccf ccg cci ccn ccr cda cdc cdd cdf cdg cdi cdn cdr cfa cfc cfd cff cfg cfi cfn cfr cga cgc cgd cgg cgi cgn cgr ci- cia cic cid cif cig cii cin cir cn- cna cnc cnd cnf cng cni cnn cnr cra crc crd crf crg cri crn crr daa dac dad daf dag dai dan dar dca dcc dcd dcf dcg dci dcn dcr dda ddc ddd ddf ddg ddi ddn ddr dfa dfc dfd dff dfg dfi dfn dfr dga dgc dgd dgf dgg dgi dgn dgr di- dia dic did dif dig dii din dir dna dnc dnd dnf dng dni dnn dnr dra drc drd drg dri drn drr faa fac fad faf fag fai fan far fca fcc fcd fcf fcg fci fcn fcr fda fdc fdd fdf fdg fdi fdn fdr ffa ffc ffd fff ffg ffi ffn ffr fga fgc fgd fgf fgg fgi fgn fgr fia fic fid fif fig fii fin fir fna fnc fnd fnf fng fni fnn fnr fra frc frd frf frg fri frn frr g-d gaa gac gad gaf gag gai gan gar gca gcc gcd gcf gcg gci gcn gcr gda gdc gdd gdf gdi gdn gdr gfa gfc gfd gff gfi gfr gga ggc ggd ggg ggi ggn ggr gia gic gid gif gig gii gin gir gna gnc gnd gnf gni gnn gnr gra grc grd grf grg gri grn grr i-d i-f ia- iaa iac iad iaf iag iai ian iar ica icc icd icf icg ici icn icr ida idc idd idf idg idi idn idr ifa ifc ifd iff ifg ifi ifn ifr iga igc igd igf igg igi ign igr iia iic iid iif iii iin iir in- ina inc ind inf ing ini inn inr ir- ira irc ird irf irg iri irn irr n-i naa nac nad naf nag nai nan nar nca ncc ncd ncf ncg nci ncn ncr nda ndc ndd ndf ndg ndi ndn ndr nfa nfc nfd nff nfi nfn nfr nga ngc ngd ngf ngg ngi ngn nia nic nid nif nig nii nin nir nna nnc nnf nng nni nnn nra nrc nrd nrf nrg nri nrn nrr ra- raa rac rad raf rag rai ran rar rca rcc rcd rcf rcg rci rcn rcr rda rdc rdd rdf rdg rdi rdn rdr rfa rfc rfd rff rfg rfi rfn rfr rga rgc rgd rgf rgg rgi rgn rgr ria ric rid rif rig rii rin rir rna rnc rnd rng rni rnn rnr rra rrc rrd rrf rrg rri rrn rrr