-ic a-a a-b a-c a-i a-t aaa aab aac aad aag aai aan aat ab- aba abb abc abd abg abi abn abt ac- aca acb acc acd acg aci acn act ad- ada adb adc add adg adi adn adt ag- aga agb agc agd agg agi agn agt ai- aia aib aic aid aig aii ain ait an- ana anb anc and ang ani ann ant at- ata atb atc atd atg ati atn att baa bab bac bad bag bai ban bat bba bbb bbc bbd bbg bbi bbn bbt bca bcb bcc bcd bcg bci bcn bct bda bdb bdc bdd bdg bdi bdt bga bgb bgc bgd bgg bgi bgn bgt bi- bia bib bic bid big bii bin bit bna bnb bnc bnd bng bni bnn bnt bta btb btc btd btg bti btn btt c-- caa cab cac cad cag cai can cat cba cbb cbc cbd cbg cbi cbn cbt cca ccb ccc ccd ccg cci ccn cct cda cdb cdc cdd cdg cdi cdn cdt cga cgb cgc cgd cgg cgi cgn cgt ci- cia cib cic cid cig cii cin cit cn- cna cnb cnc cnd cng cni cnn cnt cta ctb ctc ctd ctg cti ctn ctt daa dab dac dad dag dai dan dat dba dbb dbc dbd dbg dbi dbn dbt dca dcb dcc dcd dcg dci dcn dct dda ddb ddc ddd ddg ddi ddn ddt dga dgc dgd dgg dgi dgn dgt di- dia dib dic did dig dii din dit dna dnb dnc dnd dng dni dnn dnt dta dtb dtc dtd dtg dti dtn dtt g-d gaa gab gac gad gag gai gan gat gba gbc gbd gbg gbi gbn gbt gca gcb gcc gcd gcg gci gcn gct gda gdb gdc gdd gdi gdn gdt gga ggb ggc ggd ggg ggi ggn ggt gia gib gic gid gig gii gin git gna gnb gnc gnd gni gnn gnt gta gtb gtc gtd gtg gti gtn gtt i-d ia- iaa iab iac iad iag iai ian iat iba ibb ibc ibd ibg ibi ibn ibt ica icb icc icd icg ici icn ict ida idb idc idd idg idi idn idt iga igb igc igd igg igi ign igt iia iib iic iid iii iin iit in- ina inb inc ind ing ini inn int ita itb itc itd itg iti itn itt n-i naa nab nac nad nag nai nan nat nba nbb nbc nbd nbg nbi nbn nbt nca ncb ncc ncd ncg nci ncn nct nda ndb ndc ndd ndg ndi ndn ndt nga ngb ngc ngd ngg ngi ngn ngt nia nib nic nid nig nii nin nit nna nnb nnc nng nni nnn nnt nta ntb ntc ntd ntg nti ntn ntt taa tab tac tad tag tai tan tat tba tbb tbc tbd tbg tbi tbn tbt tca tcb tcc tcd tcg tci tcn tct tda tdb tdc tdd tdg tdi tdn tdt tga tgb tgc tgg tgi tgn tgt tia tib tic tid tig tii tin tit tna tnb tnc tnd tng tni tnn tnt tta ttb ttc ttd ttg tti ttn ttt