-th a-a a-b a-c a-t aaa aab aac aah aam aat aau ab- aba abb abc abh abm abt abu ac- aca acb acc ach acm act acu aha ahb ahc ahh ahm aht ahu ama amb amc amh amm amt amu at- ata atb atc ath atm att atu au- aua aub auc auh aum aut b-u baa bab bac bah bam bat bau bba bbb bbc bbh bbm bbt bbu bca bcb bcc bch bcm bct bcu bha bhb bhc bhh bhm bht bhu bma bmb bmc bmh bmm bmt bmu bta btb btc bth btm btt btu bua bub buc buh bum but buu c-- caa cab cac cah cam cat cau cba cbb cbc cbh cbm cbt cbu cca ccb ccc cch ccm cct ccu ch- cha chb chc chh chm cht chu cma cmb cmc cmh cmm cmt cmu cta ctb ctc cth ctm ctt ctu cua cub cuc cuh cum cut cuu haa hab hac hah ham hat hau hba hbb hbc hbh hbm hbt hbu hca hcb hcc hch hcm hct hha hhb hhc hhh hhm hht hhu hma hmb hmc hmh hmm hmt hmu hta htb htc hth htm htt hua hub huc huh hum hut huu maa mab mac mah mam mat mau mba mbb mbc mbh mbm mbt mbu mc- mca mcb mcc mch mcm mct mcu mha mhc mhh mhm mht mhu mma mmb mmc mmh mmm mmt mmu mta mtb mtc mth mtm mtt mtu mua mub muc muh mum mut muu taa tab tac tah tam tat tau tba tbb tbc tbh tbm tbt tbu tca tcb tcc tch tcm tct tcu th- tha thb thc thh thm tht thu tma tmb tmc tmh tmm tmt tmu tta ttb ttc tth ttm ttt ttu tua tub tuc tuh tum tut tuu ua- uaa uab uac uah uam uat uau uba ubb ubc ubh ubt ubu uca ucb ucc uch ucm uct ucu uha uhb uhc uhh uhm uht uhu um- uma umb umc umh umm umt umu uta utb utc uth utm utt utu uua uuc uum uut uuu