-ic a-a a-c a-i a-t aaa aac aad aaf aag aai aan aar aas aat ac- aca acc acd acf acg aci acn acr acs act ad- ada adc add adf adg adi adn adr ads adt af- afa afc afd aff afg afi afn afr afs aft ag- aga agc agd agf agg agi agn agr ags agt ai- aia aic aid aif aig aii ain air ais ait an- ana anc and anf ang ani ann anr ans ant ar- ara arc ard arf arg ari arn arr ars art as- asa asc asd asf asg asi asn asr ass ast at- ata atc atd atf atg ati atn atr ats att c-- caa cac cad caf cag cai can car cas cat cca ccc ccd ccf ccg cci ccn ccr ccs cct cda cdc cdd cdf cdg cdi cdn cdr cds cdt cfa cfc cfd cff cfg cfi cfn cfr cfs cft cga cgc cgd cgg cgi cgn cgr cgs cgt ci- cia cic cid cif cig cii cin cir cis cit cn- cna cnc cnd cnf cng cni cnn cnr cns cnt cra crc crd crf crg cri crn crr crs crt csa csc csd csf csg csi csn csr css cst cta ctc ctd ctf ctg cti ctn ctr cts ctt daa dac dad daf dag dai dan dar das dat dca dcc dcd dcf dcg dci dcn dcr dcs dct dda ddc ddd ddf ddg ddi ddn ddr dds ddt dfa dfc dfd dff dfg dfi dfn dfr dfs dft dga dgc dgd dgf dgg dgi dgn dgr dgs dgt di- dia dic did dif dig dii din dir dis dit dna dnc dnd dnf dng dni dnn dnr dns dnt dra drc drd drg dri drn drr drs drt dsa dsc dsd dsf dsg dsi dsn dsr dss dst dta dtc dtd dtf dtg dti dtn dtr dts dtt faa fac fad faf fag fai fan far fas fat fca fcc fcd fcf fcg fci fcn fcr fcs fct fda fdc fdd fdf fdg fdi fdn fdr fds fdt ffa ffc ffd fff ffg ffi ffn ffr ffs fft fga fgc fgd fgf fgg fgi fgn fgr fgs fgt fia fic fid fif fig fii fin fir fis fit fna fnc fnd fnf fng fni fnn fnr fns fnt fra frc frd frf frg fri frn frr frs frt fsa fsc fsd fsf fsg fsi fsn fsr fss fst fta ftc ftd ftf ftg fti ftn ftr fts ftt g-d gaa gac gad gaf gag gai gan gar gas gat gca gcc gcd gcf gcg gci gcn gcr gcs gct gda gdc gdd gdf gdi gdn gdr gds gdt gfa gfc gfd gff gfi gfr gfs gft gga ggc ggd ggg ggi ggn ggr ggs ggt gia gic gid gif gig gii gin gir gis git gna gnc gnd gnf gni gnn gnr gns gnt gra grc grd grf grg gri grn grr grs grt gsa gsc gsd gsf gsg gsi gsn gsr gss gst gta gtc gtd gtf gtg gti gtn gtr gts gtt i-d i-f ia- iaa iac iad iaf iag iai ian iar ias iat ica icc icd icf icg ici icn icr ics ict ida idc idd idf idg idi idn idr ids idt ifa ifc ifd iff ifg ifi ifn ifr ifs ift iga igc igd igf igg igi ign igr igs igt iia iic iid iif iii iin iir iis iit in- ina inc ind inf ing ini inn inr ins int ir- ira irc ird irf irg iri irn irr irs irt is- isa isc isd isf isg isi isn isr iss ist ita itc itd itf itg iti itn its itt n-i naa nac nad naf nag nai nan nar nas nat nca ncc ncd ncf ncg nci ncn ncr ncs nct nda ndc ndd ndf ndg ndi ndn ndr nds ndt nfa nfc nfd nff nfi nfn nfr nfs nft nga ngc ngd ngf ngg ngi ngn ngs ngt nia nic nid nif nig nii nin nir nis nit nna nnc nnf nng nni nnn nns nnt nra nrc nrd nrf nrg nri nrn nrr nrs nrt nsa nsc nsd nsf nsg nsi nsn nsr nss nst nta ntc ntd ntf ntg nti ntn ntr nts ntt ra- raa rac rad raf rag rai ran rar ras rat rca rcc rcd rcf rcg rci rcn rcr rcs rct rda rdc rdd rdf rdg rdi rdn rdr rds rdt rfa rfc rfd rff rfg rfi rfn rfr rfs rft rga rgc rgd rgf rgg rgi rgn rgr rgs rgt ria ric rid rif rig rii rin rir ris rit rna rnc rnd rng rni rnn rnr rns rnt rra rrc rrd rrf rrg rri rrn rrr rrs rrt rsa rsc rsd rsf rsg rsi rsn rsr rss rst rta rtc rtd rtf rtg rti rtn rtr rts rtt saa sac sad saf sag sai san sar sas sat sca scc scd scf scg sci scn scr scs sct sda sdc sdd sdf sdg sdi sdn sdr sds sdt sfa sfc sfd sff sfg sfi sfn sfr sfs sft sga sgc sgd sgf sgg sgi sgn sgr sgs sgt sia sic sid sif sig sii sin sir sis sit sna snc snd snf sng sni snn snr sns snt sr- sra src srd srf srg sri srn srr srs srt ss- ssa ssc ssd ssf ssg ssi ssn ssr sss sst sta stc std stf stg sti stn str sts stt taa tac tad taf tag tai tan tar tas tat tca tcc tcd tcf tcg tci tcn tcr tcs tct tda tdc tdd tdf tdg tdi tdn tdr tds tdt tfa tfc tfd tff tfg tfi tfn tfr tfs tft tga tgc tgf tgg tgi tgn tgr tgs tgt tia tic tid tif tig tii tin tir tis tit tna tnc tnd tnf tng tni tnn tnr tns tnt tra trc trd trf trg tri trn trr trs trt tsa tsc tsd tsf tsg tsi