a-a a-c a-t aaa aac aad aae aam aan aat ac- aca acc acd ace acm acn act ad- ada adc add ade adm adn adt aea aec aed aee aem aen aet ama amc amd ame amm amn amt an- ana anc and ane anm ann ant at- ata atc atd ate atm atn att c-- caa cac cad cae cam can cat cca ccc ccd cce ccm ccn cct cda cdc cdd cde cdm cdn cdt ce- cea cec ced cee cem cen cet cma cmc cmd cme cmm cmn cmt cn- cna cnc cnd cne cnm cnn cnt cta ctc ctd cte ctm ctn ctt daa dac dad dae dam dan dat dca dcc dcd dce dcm dcn dct dda ddc ddd dde ddm ddn ddt de- dea dec ded dee dem den det dma dmc dmd dme dmm dmn dmt dna dnc dnd dne dnm dnn dnt dta dtc dtd dte dtm dtn dtt eaa eac ead eae eam ean eat ec- eca ecc ecd ece ecm ecn ect ed- eda edc edd ede edm edn edt eea eec eed eee eem een eet em- ema emc emd eme emm emn emt en- ena enc end ene enm enn ent eta etc etd ete etm etn ett maa mac mad mae mam man mat mc- mca mcc mcd mce mcm mcn mct mda mdc mdd mde mdm mdn mdt mea mec med mee mem men met mma mmc mmd mme mmm mmn mmt mna mnc mne mnm mnn mnt mta mtc mtd mte mtm mtn mtt naa nac nad nae nam nan nat nca ncc ncd nce ncm ncn nct nda ndc ndd nde ndm ndn ndt ne- nea nec ned nee nem nen net nma nmc nmd nme nmm nmn nmt nna nnc nne nnm nnn nnt nta ntc ntd nte ntm ntn ntt taa tac tad tae tam tan tat tca tcc tcd tce tcm tcn tct tda tdc tdd tde tdm tdn tdt te- tea tec ted tee tem ten tet tma tmc tmd tme tmm tmn tmt tna tnc tnd tne tnm tnn tnt tta ttc ttd tte ttm ttn ttt