-ic a-a a-c a-i a-t aaa aac aae aag aai aak aam aat ac- aca acc ace acg aci ack acm act aea aec aee aeg aei aek aem aet ag- aga agc age agg agi agk agm agt ai- aia aic aie aig aii aik aim ait aka akc ake akg aki akk akm ama amc ame amg ami amk amm amt at- ata atc ate atg ati atm att c-- caa cac cae cag cai cak cam cat cca ccc cce ccg cci cck ccm cct ce- cea cec cee ceg cei cek cem cet cga cgc cge cgg cgi cgm cgt ci- cia cic cie cig cii cik cim cit cka ckc cki ckm ckt cma cmc cme cmg cmi cmk cmm cmt cta ctc cte ctg cti ctk ctm ctt eaa eac eae eag eai eak eam eat ec- eca ecc ece ecg eci eck ecm ect eea eec eee eeg eek eem eet ega egc ege egg egi egm egt eia eic eie eig eii eik eim eit eka ekc eke ekg eki ekt em- ema emc eme emg emi emk emm emt eta etc ete etg eti etk etm ett gaa gac gae gag gai gak gam gat gca gcc gce gcg gci gck gcm gct ge- gea gec gee geg gei gek gem get gga ggc ggg ggi ggm ggt gia gic gie gig gii gik gim git gka gkm gkt gma gmc gme gmg gmi gmm gmt gta gtc gte gtg gti gtk gtm gtt ia- iaa iac iae iag iai iam iat ica icc ice icg ici ick icm ict ie- iea iec iee ieg iei iek iem iet iga igc ige igg igi igk igm igt iia iic iie iii iim iit ika ikc ike iki ikk ikt im- ima imc ime img imi imm imt ita itc ite itg iti itk itm itt k-t ka- kaa kac kae kag kai kak kam kat kca kcc kce kcg kci kck kcm kct ke- kea kec kee keg kei kek kem ket kga kgc kgi kgm kia kic kie kig kii kik kim kit kkc kke kki kkk kkm kkt kma kmc kme kmg kmi kmk kmm kmt kta ktc kte ktg ktk ktm ktt maa mac mae mag mai mak mam mat mc- mca mcc mce mcg mci mck mcm mct mea mec mee meg mei mek mem met mga mgc mge mgi mgk mgm mgt mi- mia mic mie mig mii mik mim mit mka mkc mke mkg mkk mkm mkt mma mmc mme mmg mmi mmk mmm mmt mta mtc mte mtg mti mtk mtm mtt taa tac tae tag tai tak tam tat tca tcc tce tcg tci tck tcm tct te- tea tec tee teg tei tek tem tet tga tgc tge tgg tgi tgk tgm tgt tia tic tie tig tii tik tim tit tka tkc tke tkg tkk tkm tkt tma tmc tme tmg tmi tmk tmm tmt tta ttc tte ttg tti ttk ttm ttt