a-a a-c a-t a-z aaa aac aag aao aas aat aau aay aaz ac- aca acc acg aco acs act acu acy acz ag- aga agc agg ago ags agt agu agy agz aoa aoc aog aoo aos aot aou as- asa asc asg aso ass ast asu asy asz at- ata atc atg ato ats att atu atz au- aua auc aug auo aus aut auz ay- aya ayc ayo ays ayt ayu ayz az- aza azg azo azs azt azu azy azz c-- caa cac cag cao cas cat cau cay caz cca ccc ccg cco ccs cct ccu ccz cga cgc cgg cgo cgs cgt cgu cgy co- coa coc cog coo cos cot cou coy coz csa csc csg cso css cst csu csy csz cta ctc ctg cto cts ctt ctu cty ctz cua cuc cug cuo cus cut cuu cuy cuz cya cyc cyg cyo cys cyt cz- czc czo czt gaa gac gag gao gas gat gau gay gaz gca gcc gcg gco gcs gct gcu gga ggc ggg ggo ggs ggt ggu ggz goa goc gog goo gos got gou goy goz gsa gsc gsg gso gss gst gsu gta gtc gtg gto gts gtt gtu gty gu- gua guc gug guo gus gut guu guy guz gy- gya gyo gys gza gzo gzu oaa oac oag oao oas oat oau oc- oca occ ocg oco ocs oct ocu ocz oga ogc ogg ogo ogs ogt ogy oo- ooa ooc oog ooo oos oot os- osa osc osg oso oss ost osu ot- ota otc otg oto ots ott otu otz ou- oua ouc ouo ous out oya oyo oys oza ozo ozs ozt ozu ozz saa sac sag sao sas sat sau say saz sca scc scg sco scs sct scu sga sgc sgg sgo sgs sgt sgu soa soc sog soo sos sot sou soy soz ss- ssa ssc ssg sso sss sst ssu ssz sta stc stg sto sts stt stu sty stz sua suc sug suo sus sut suu suy suz sy- sya syc syg sys syt syu sza szu taa tac tag tao tas tat tau tay taz tca tcc tcg tco tcs tct tcu tga tgc tgg tgo tgs tgt tgu tgy tgz to- toa toc tog too tos tot tou toy toz tsa tsc tsg tso tss tst tsu tsy tta ttc ttg tto tts ttt ttu tty tua tuc tug tuo tus tut tuu tuy tuz tya tyc tyg tyo tys tyt tza tzs tzu ua- uaa uac uag uao uas uat uau uay uaz uca ucc ucg uco ucs uct ucu uga ugc ugg ugo ugs ugt ugu uoa uoc uog uoo uos uot usa usc usg uso uss ust usu usz uta utc uto uts utt utu uty utz uua uuc uug uus uut uuu uyc uyo uys uyu uza uzo uzu yaa yac yag yao yas yat yau yay yaz yca ycc yco ycs ycu ycy yga ygc ygo yoc yog yoo yos yot you yoy ysa ysc ysg yso yss yst ysu ysy ysz yta ytc yto yts ytt ytu yua yug yuo yus yut yuu yuy yyc yyg yys yyt yyu yyy yyz yzu yzy z-g zaa zac zag zao zas zat zay zaz zco zcs zgg zgs zo- zoa zoc zog zoo zos zot zou zsa zsg zst zsu zsz zta zuc zug zus zut zuz zzs zzt zzy zzz