a-a a-c a-t aaa aac aak aao aas aat aau ac- aca acc ack aco acs act acu aka akc akk ako aks aku aoa aoc aok aoo aos aot aou as- asa asc ask aso ass ast asu at- ata atc ato ats att atu au- aua auc auk auo aus aut c-- caa cac cak cao cas cat cau cca ccc cck cco ccs cct ccu cka ckc cko cks ckt co- coa coc cok coo cos cot cou csa csc csk cso css cst csu cta ctc ctk cto cts ctt ctu cua cuc cuk cuo cus cut cuu k-t ka- kaa kac kak kao kas kat kau kca kcc kck kcs kct kcu kkc kkk kks kkt kku koa koc kok koo kos kot kou ksa ksc ksk kso kss kst ksu kta ktc ktk kto kts ktt ktu kuc kuk kus kut kuu oaa oac oak oao oas oat oau oc- oca occ ock oco ocs oct ocu oka okc okk oko oks oku oo- ooa ooc ook ooo oos oot os- osa osc osk oso oss ost osu ot- ota otc otk oto ots ott otu ou- oua ouc ouk ouo ous out saa sac sak sao sas sat sau sca scc sck sco scs sct scu sk- ska skc skk sko sks skt sku soa soc sok soo sos sot sou ss- ssa ssc ssk sso sss sst ssu sta stc stk sto sts stt stu sua suc suk suo sus sut suu taa tac tak tao tas tat tau tca tcc tck tco tcs tct tcu tka tkc tkk tko tks tkt to- toa toc tok too tos tot tou tsa tsc tsk tso tss tst tsu tta ttc ttk tto tts ttt ttu tua tuc tuk tuo tus tut tuu ua- uaa uac uak uao uas uat uau uca ucc uck uco ucs uct ucu uka ukc ukk uku uoa uoc uok uoo uos uot usa usc usk uso uss ust usu uta utc utk uto uts utt utu uua uuc uus uut uuu