-ey -ic a-a a-c a-i a-t aaa aac aae aag aai aap aat aay ac- aca acc ace acg aci acp act acy aea aec aee aeg aei aep aet aey ag- aga agc age agg agi agp agt agy ai- aia aic aie aig aii aip ait aiy ap- apa apc ape apg api app apt apy at- ata atc ate atg ati atp att ay- aya ayc aye ayi ayp ayt c-- caa cac cae cag cai cap cat cay cca ccc cce ccg cci ccp cct ce- cea cec cee ceg cei cep cet cey cga cgc cge cgg cgi cgp cgt cgy ci- cia cic cie cig cii cip cit cpa cpc cpe cpg cpi cpp cpt cta ctc cte ctg cti ctp ctt cty cya cyc cye cyg cyp cyt eaa eac eae eag eai eap eat ec- eca ecc ece ecg eci ect eea eec eee eeg eep eet eey ega egc ege egg egi egp egt egy eia eic eie eig eii eip eit ep- epa epc epe epg epi epp ept eta etc ete etg eti etp ett ety eya eyc eye eyp eyt g-p gaa gac gae gag gai gap gat gay gca gcc gce gcg gci gcp gct ge- gea gec gee geg gei gep get gey gga ggc ggg ggi ggp ggt gia gic gie gig gii gip git giy gpa gpc gpe gpg gpi gpp gpt gta gtc gte gtg gti gtp gtt gty gy- gya gye gyp ia- iaa iac iae iag iai iap iat ica icc ice icg ici icp ict icy ie- iea iec iee ieg iei iep iet iey iga igc ige igg igi igp igt igy iia iic iie iii iip iit ipa ipc ipe ipg ipi ipp ipt ipy ita itc ite itg iti itp itt ity iya iyc iye iyt iyy p-p paa pac pae pag pai pap pat pay pca pcc pce pcg pci pcp pct pea pec pee peg pei pep pet pey pga pgc pge pgg pgi pgp pgt pgy pia pic pie pig pii pip pit ppa ppc ppe ppg ppi ppp ppt pt- pta ptc pte ptg pti ptp ptt pty py- pya pyc pye pyg pyt taa tac tae tag tai tap tat tay tca tcc tce tcg tci tcp tct te- tea tec tee teg tei tep tet tey tga tgc tge tgg tgi tgp tgt tgy tia tic tie tig tii tip tit tiy tpa tpc tpe tpg tpi tpp tpt tta ttc tte ttg tti ttp ttt tty tya tyc tye tyg typ tyt yaa yac yae yag yai yap yat yay yca ycc yce yci ycp ycy yea yec yee yeg yei yep yet yey yga ygc yie yig yii yip yit ypa ypg yta ytc yte ytp ytt yyc yye yyg yyt yyy