-al -ic a-a a-c a-i a-t aaa aac aae aag aai aak aal aat ac- aca acc ace acg aci ack acl act aea aec aee aeg aei aek ael aet ag- aga agc age agg agi agk agl agt ai- aia aic aie aig aii aik ail ait aka akc ake akg aki akk akl al- ala alc ale alg ali alk all alt at- ata atc ate atg ati atl att c-- caa cac cae cag cai cak cal cat cca ccc cce ccg cci cck ccl cct ce- cea cec cee ceg cei cek cel cet cga cgc cge cgg cgi cgl cgt ci- cia cic cie cig cii cik cil cit cka ckc cki ckt cl- cla clc cle clg cli clk cll clt cta ctc cte ctg cti ctk ctl ctt eaa eac eae eag eai eak eal eat ec- eca ecc ece ecg eci eck ecl ect eea eec eee eeg eek eel eet ega egc ege egg egi egl egt eia eic eie eig eii eik eil eit eka ekc eke ekg eki ekl ekt ela elc ele elg eli elk ell elt eta etc ete etg eti etk etl ett gaa gac gae gag gai gak gal gat gca gcc gce gcg gci gck gcl gct ge- gea gec gee geg gei gek gel get gga ggc ggg ggi ggt gia gic gie gig gii gik gil git gka gkt gla glc gle glg gli glk gll glt gta gtc gte gtg gti gtk gtl gtt ia- iaa iac iae iag iai ial iat ica icc ice icg ici ick icl ict ie- iea iec iee ieg iei iek iel iet iga igc ige igg igi igk igl igt iia iic iie iii iil iit ika ikc ike iki ikk ikl ikt il- ila ilc ile ilg ili ilk ill ilt ita itc ite itg iti itk itl itt k-t ka- kaa kac kae kag kai kak kal kat kca kcc kce kcg kci kck kcl kct ke- kea kec kee keg kei kek kel ket kga kgc kgi kgl kia kic kie kig kii kik kil kit kkc kke kki kkk kkl kkt kl- kla klc klg kli klt kta ktc kte ktg ktk ktl ktt la- laa lac lae lag lai lak lal lat lca lcc lce lcg lci lck lcl lct lea lec lee leg lei lek lel let lga lgc lge lgg lgi lgk lgl lgt lia lic lie lig lii lik lil lit lka lkg lkl lkt lla llc lle llg lli llk lll llt lta ltc lte ltg lti ltk ltl ltt taa tac tae tag tai tak tal tat tca tcc tce tcg tci tck tcl tct te- tea tec tee teg tei tek tel tet tga tgc tge tgg tgi tgk tgl tgt tia tic tie tig tii tik til tit tka tkc tke tkg tkk tkl tkt tla tlc tle tlg tli tlk tll tlt tta ttc tte ttg tti ttk ttl ttt