a-a a-c a-t aaa aac aae aak aam aat ac- aca acc ace ack acm act aea aec aee aek aem aet aka akc ake akk akm ama amc ame amk amm amt at- ata atc ate atm att c-- caa cac cae cak cam cat cca ccc cce cck ccm cct ce- cea cec cee cek cem cet cka ckc ckm ckt cma cmc cme cmk cmm cmt cta ctc cte ctk ctm ctt eaa eac eae eak eam eat ec- eca ecc ece eck ecm ect eea eec eee eek eem eet eka ekc eke ekt em- ema emc eme emk emm emt eta etc ete etk etm ett k-t ka- kaa kac kae kak kam kat kca kcc kce kck kcm kct ke- kea kec kee kek kem ket kkc kke kkk kkm kkt kma kmc kme kmk kmm kmt kta ktc kte ktk ktm ktt maa mac mae mak mam mat mc- mca mcc mce mck mcm mct mea mec mee mek mem met mka mkc mke mkk mkm mkt mma mmc mme mmk mmm mmt mta mtc mte mtk mtm mtt taa tac tae tak tam tat tca tcc tce tck tcm tct te- tea tec tee tek tem tet tka tkc tke tkk tkm tkt tma tmc tme tmk tmm tmt tta ttc tte ttk ttm ttt