-ic a-a a-c a-i a-t aaa aac aad aae aaf aag aai aan aat ac- aca acc acd ace acf acg aci acn act ad- ada adc add ade adf adg adi adn adt aea aec aed aee aef aeg aei aen aet af- afa afc afd afe aff afg afi afn aft ag- aga agc agd age agf agg agi agn agt ai- aia aic aid aie aif aig aii ain ait an- ana anc and ane anf ang ani ann ant at- ata atc atd ate atf atg ati atn att c-- caa cac cad cae caf cag cai can cat cca ccc ccd cce ccf ccg cci ccn cct cda cdc cdd cde cdf cdg cdi cdn cdt ce- cea cec ced cee cef ceg cei cen cet cfa cfc cfd cfe cff cfg cfi cfn cft cga cgc cgd cge cgg cgi cgn cgt ci- cia cic cid cie cif cig cii cin cit cn- cna cnc cnd cne cnf cng cni cnn cnt cta ctc ctd cte ctf ctg cti ctn ctt daa dac dad dae daf dag dai dan dat dca dcc dcd dce dcf dcg dci dcn dct dda ddc ddd dde ddf ddg ddi ddn ddt de- dea dec ded dee def deg dei den det dfa dfc dfd dfe dff dfg dfi dfn dft dga dgc dgd dge dgf dgg dgi dgn dgt di- dia dic did die dif dig dii din dit dna dnc dnd dne dnf dng dni dnn dnt dta dtc dtd dte dtf dtg dti dtn dtt eaa eac ead eae eaf eag eai ean eat ec- eca ecc ecd ece ecf ecg eci ecn ect ed- eda edc edd ede edf edg edi edn edt eea eec eed eee eef eeg een eet ef- efa efc efd efe eff efg efi eft ega egc egd ege egf egg egi egn egt eia eic eid eie eif eig eii ein eit en- ena enc end ene enf eng eni enn ent eta etc etd ete etf etg eti etn ett faa fac fad fae faf fag fai fan fat fca fcc fcd fce fcf fcg fci fcn fct fda fdc fdd fde fdf fdg fdi fdn fdt fea fec fed fee fef feg fei fen fet ffa ffc ffd ffe fff ffg ffi ffn fft fga fgc fgd fge fgf fgg fgi fgn fgt fia fic fid fie fif fig fii fin fit fna fnc fnd fne fnf fng fni fnn fnt fta ftc ftd fte ftf ftg fti ftn ftt g-d gaa gac gad gae gaf gag gai gan gat gca gcc gcd gce gcf gcg gci gcn gct gda gdc gdd gde gdf gdi gdn gdt ge- gea gec ged gee gef geg gei gen get gfa gfc gfd gfe gff gfi gft gga ggc ggd ggg ggi ggn ggt gia gic gid gie gif gig gii gin git gna gnc gnd gne gnf gni gnn gnt gta gtc gtd gte gtf gtg gti gtn gtt i-d i-f ia- iaa iac iad iae iaf iag iai ian iat ica icc icd ice icf icg ici icn ict ida idc idd ide idf idg idi idn idt ie- iea iec ied iee ief ieg iei ien iet ifa ifc ifd ife iff ifg ifi ifn ift iga igc igd ige igf igg igi ign igt iia iic iid iie iif iii iin iit in- ina inc ind ine inf ing ini inn int ita itc itd ite itf itg iti itn itt n-i naa nac nad nae naf nag nai nan nat nca ncc ncd nce ncf ncg nci ncn nct nda ndc ndd nde ndf ndg ndi ndn ndt ne- nea nec ned nee nef neg nei nen net nfa nfc nfd nfe nff nfi nfn nft nga ngc ngd nge ngf ngg ngi ngn ngt nia nic nid nie nif nig nii nin nit nna nnc nne nnf nng nni nnn nnt nta ntc ntd nte ntf ntg nti ntn ntt taa tac tad tae taf tag tai tan tat tca tcc tcd tce tcf tcg tci tcn tct tda tdc tdd tde tdf tdg tdi tdn tdt te- tea tec ted tee tef teg tei ten tet tfa tfc tfd tfe tff tfg tfi tfn tft tga tgc tge tgf tgg tgi tgn tgt tia tic tid tie tif tig tii tin tit tna tnc tnd tne tnf tng tni tnn tnt tta ttc ttd tte ttf ttg tti ttn ttt