a-a a-c a-t aaa aac aao aas aat aau aay ac- aca acc aco acs act acu acy aoa aoc aoo aos aot aou as- asa asc aso ass ast asu asy at- ata atc ato ats att atu au- aua auc auo aus aut ay- aya ayc ayo ays ayt ayu c-- caa cac cao cas cat cau cay cca ccc cco ccs cct ccu co- coa coc coo cos cot cou coy csa csc cso css cst csu csy cta ctc cto cts ctt ctu cty cua cuc cuo cus cut cuu cuy cya cyc cyo cys cyt oaa oac oao oas oat oau oc- oca occ oco ocs oct ocu oo- ooa ooc ooo oos oot os- osa osc oso oss ost osu ot- ota otc oto ots ott otu ou- oua ouc ouo ous out oya oyo oys saa sac sao sas sat sau say sca scc sco scs sct scu soa soc soo sos sot sou soy ss- ssa ssc sso sss sst ssu sta stc sto sts stt stu sty sua suc suo sus sut suu suy sy- sya syc sys syt syu taa tac tao tas tat tau tay tca tcc tco tcs tct tcu to- toa toc too tos tot tou toy tsa tsc tso tss tst tsu tsy tta ttc tto tts ttt ttu tty tua tuc tuo tus tut tuu tuy tya tyc tyo tys tyt ua- uaa uac uao uas uat uau uay uca ucc uco ucs uct ucu uoa uoc uoo uos uot usa usc uso uss ust usu uta utc uto uts utt utu uty uua uuc uus uut uuu uyc uyo uys uyu yaa yac yao yas yat yau yay yca ycc yco ycs ycu ycy yoc yoo yos yot you yoy ysa ysc yso yss yst ysu ysy yta ytc yto yts ytt ytu yua yuo yus yut yuu yuy yyc yys yyt yyu yyy