-ic a-a a-c a-i a-t aaa aac aae aag aai aam aan aat ac- aca acc ace acg aci acm acn act aea aec aee aeg aei aem aen aet ag- aga agc age agg agi agm agn agt ai- aia aic aie aig aii aim ain ait ama amc ame amg ami amm amn amt an- ana anc ane ang ani anm ann ant at- ata atc ate atg ati atm atn att c-- caa cac cae cag cai cam can cat cca ccc cce ccg cci ccm ccn cct ce- cea cec cee ceg cei cem cen cet cga cgc cge cgg cgi cgm cgn cgt ci- cia cic cie cig cii cim cin cit cma cmc cme cmg cmi cmm cmn cmt cn- cna cnc cne cng cni cnm cnn cnt cta ctc cte ctg cti ctm ctn ctt eaa eac eae eag eai eam ean eat ec- eca ecc ece ecg eci ecm ecn ect eea eec eee eeg eem een eet ega egc ege egg egi egm egn egt eia eic eie eig eii eim ein eit em- ema emc eme emg emi emm emn emt en- ena enc ene eng eni enm enn ent eta etc ete etg eti etm etn ett gaa gac gae gag gai gam gan gat gca gcc gce gcg gci gcm gcn gct ge- gea gec gee geg gei gem gen get gga ggc ggg ggi ggm ggn ggt gia gic gie gig gii gim gin git gma gmc gme gmg gmi gmm gmn gmt gna gnc gne gni gnm gnn gnt gta gtc gte gtg gti gtm gtn gtt ia- iaa iac iae iag iai iam ian iat ica icc ice icg ici icm icn ict ie- iea iec iee ieg iei iem ien iet iga igc ige igg igi igm ign igt iia iic iie iii iim iin iit im- ima imc ime img imi imm imn imt in- ina inc ine ing ini inm inn int ita itc ite itg iti itm itn itt maa mac mae mag mai mam man mat mc- mca mcc mce mcg mci mcm mcn mct mea mec mee meg mei mem men met mga mgc mge mgi mgm mgn mgt mi- mia mic mie mig mii mim min mit mma mmc mme mmg mmi mmm mmn mmt mna mnc mne mng mni mnm mnn mnt mta mtc mte mtg mti mtm mtn mtt n-i naa nac nae nag nai nam nan nat nca ncc nce ncg nci ncm ncn nct ne- nea nec nee neg nei nem nen net nga ngc nge ngg ngi ngm ngn ngt nia nic nie nig nii nim nin nit nma nmc nme nmg nmi nmm nmn nmt nna nnc nne nng nni nnm nnn nnt nta ntc nte ntg nti ntm ntn ntt taa tac tae tag tai tam tan tat tca tcc tce tcg tci tcm tcn tct te- tea tec tee teg tei tem ten tet tga tgc tge tgg tgi tgm tgn tgt tia tic tie tig tii tim tin tit tma tmc tme tmg tmi tmm tmn tmt tna tnc tne tng tni tnm tnn tnt tta ttc tte ttg tti ttm ttn ttt