-th a-a a-b a-c a-t aaa aab aac aah aam aas aat aau ab- aba abb abc abh abm abs abt abu ac- aca acb acc ach acm acs act acu aha ahb ahc ahh ahm ahs aht ahu ama amb amc amh amm ams amt amu as- asa asb asc ash asm ass ast asu at- ata atb atc ath atm ats att atu au- aua aub auc auh aum aus aut b-u baa bab bac bah bam bas bat bau bba bbb bbc bbh bbm bbs bbt bbu bca bcb bcc bch bcm bcs bct bcu bha bhb bhc bhh bhm bhs bht bhu bma bmb bmc bmh bmm bms bmt bmu bsa bsb bsc bsh bsm bss bst bsu bta btb btc bth btm bts btt btu bua bub buc buh bum bus but buu c-- caa cab cac cah cam cas cat cau cba cbb cbc cbh cbm cbs cbt cbu cca ccb ccc cch ccm ccs cct ccu ch- cha chb chc chh chm chs cht chu cma cmb cmc cmh cmm cms cmt cmu csa csb csc csh csm css cst csu cta ctb ctc cth ctm cts ctt ctu cua cub cuc cuh cum cus cut cuu haa hab hac hah ham has hat hau hba hbb hbc hbh hbm hbs hbt hbu hca hcb hcc hch hcm hcs hct hha hhb hhc hhh hhm hhs hht hhu hma hmb hmc hmh hmm hms hmt hmu hsa hsb hsc hsh hsm hss hst hsu hta htb htc hth htm hts htt hua hub huc huh hum hus hut huu maa mab mac mah mam mas mat mau mba mbb mbc mbh mbm mbs mbt mbu mc- mca mcb mcc mch mcm mcs mct mcu mha mhc mhh mhm mhs mht mhu mma mmb mmc mmh mmm mms mmt mmu msa msb msc msh msm mss mst msu mta mtb mtc mth mtm mts mtt mtu mua mub muc muh mum mus mut muu saa sab sac sah sam sas sat sau sba sbb sbc sbh sbm sbs sbt sbu sca scb scc sch scm scs sct scu sh- sha shb shc shh shm shs sht shu sma smb smc smh smm sms smt smu ss- ssa ssb ssc ssh ssm sss sst ssu sta stb stc sth stm sts stt stu sua sub suc suh sum sus sut suu taa tab tac tah tam tas tat tau tba tbb tbc tbh tbm tbs tbt tbu tca tcb tcc tch tcm tcs tct tcu th- tha thb thc thh thm ths tht thu tma tmb tmc tmh tmm tms tmt tmu tsa tsb tsc tsh tsm tss tst tsu tta ttb ttc tth ttm tts ttt ttu tua tub tuc tuh tum tus tut tuu ua- uaa uab uac uah uam uas uat uau uba ubb ubc ubh ubs ubt ubu uca ucb ucc uch ucm ucs uct ucu uha uhb uhc uhh uhm uhs uht uhu um- uma umb umc umh umm ums umt umu usa usb usc ush usm uss ust usu uta utb utc uth utm uts utt utu uua uuc uum uus uut uuu