a-a a-c a-t aaa aac aad aak aao aat aau ac- aca acc acd ack aco act acu ad- ada adc add adk ado adt adu aka akc akd akk ako aku aoa aoc aod aok aoo aot aou at- ata atc atd ato att atu au- aua auc aud auk auo aut c-- caa cac cad cak cao cat cau cca ccc ccd cck cco cct ccu cda cdc cdd cdk cdo cdt cdu cka ckc ckd cko ckt co- coa coc cod cok coo cot cou cta ctc ctd ctk cto ctt ctu cua cuc cud cuk cuo cut cuu daa dac dad dak dao dat dau dca dcc dcd dck dco dct dcu dda ddc ddd ddk ddo ddt ddu dka dkc dkk dko dkt dku doa doc dod dok doo dot dou dta dtc dtd dtk dto dtt dtu dua duc dud duk duo dut k-t ka- kaa kac kad kak kao kat kau kca kcc kcd kck kct kcu kda kdc kdk kdo kdt kdu kkc kkk kkt kku koa koc kod kok koo kot kou kta ktc ktk kto ktt ktu kuc kud kuk kut kuu oaa oac oad oak oao oat oau oc- oca occ ocd ock oco oct ocu oda odc odd odo odt odu oka okc okd okk oko oku oo- ooa ooc ood ook ooo oot ot- ota otc otd otk oto ott otu ou- oua ouc oud ouk ouo out taa tac tad tak tao tat tau tca tcc tcd tck tco tct tcu tda tdc tdd tdk tdo tdt tdu tka tkc tkk tko tkt to- toa toc tod tok too tot tou tta ttc ttd ttk tto ttt ttu tua tuc tud tuk tuo tut tuu ua- uaa uac uad uak uao uat uau uca ucc ucd uck uco uct ucu uda udc udd udk udo udt udu uka ukc ukk uku uoa uoc uod uok uoo uot uta utc utd utk uto utt utu uua uuc uut uuu