a-a a-b a-i a-t aaa aab aai aam aas aat aau aax ab- aba abb abi abm abs abt abu abx ai- aia aib aii aim ais ait aiu aix ama amb ami amm ams amt amu amx as- asa asb asi asm ass ast asu asx at- ata atb ati atm ats att atu atx au- aua aub aui aum aus aut aux ax- axa axi axm axs axt axx b-u baa bab bai bam bas bat bau bax bba bbb bbi bbm bbs bbt bbu bbx bi- bia bib bii bim bis bit biu bix bma bmb bmi bmm bms bmt bmu bmx bsa bsb bsi bsm bss bst bsu bsx bta btb bti btm bts btt btu btx bua bub bui bum bus but buu bux bxb bxi bxm bxx ia- iaa iab iai iam ias iat iau iba ibb ibi ibm ibs ibt ibu ibx iia iib iii iim iis iit iiu iix im- ima imb imi imm ims imt imu imx is- isa isb isi ism iss ist isu ita itb iti itm its itt itu itx iu- iua iub iui ium ius iut ixi maa mab mai mam mas mat mau max mba mbb mbi mbm mbs mbt mbu mbx mi- mia mib mii mim mis mit miu mix mma mmb mmi mmm mms mmt mmu mmx msa msb msi msm mss mst msu msx mta mtb mti mtm mts mtt mtu mtx mua mub mui mum mus mut muu mux mxa mxi mxs mxu saa sab sai sam sas sat sau sax sba sbb sbi sbm sbs sbt sbu sbx sia sib sii sim sis sit siu six sma smb smi smm sms smt smu smx ss- ssa ssb ssi ssm sss sst ssu ssx sta stb sti stm sts stt stu stx sua sub sui sum sus sut suu sux sxi sxm sxs sxt sxu t-x taa tab tai tam tas tat tau tax tba tbb tbi tbm tbs tbt tbu tia tib tii tim tis tit tiu tix tma tmb tmi tmm tms tmt tmu tmx tsa tsb tsi tsm tss tst tsu tsx tta ttb tti ttm tts ttt ttu ttx tua tub tui tum tus tut tuu tux txi txs txt txu ua- uaa uab uai uam uas uat uau uba ubb ubi ubs ubt ubu ubx uia uib uii uim uis uit uiu um- uma umb umi umm ums umt umu usa usb usi usm uss ust usu usx uta utb uti utm uts utt utu utx uua uum uus uut uuu uxb uxt uxu xaa xam xas xat xau xbx xia xii xis xit xiu xix xma xmi xmm xms xmt xmu xmx xsa xsb xsi xsm xss xst xti xtm xts xtx xui xus xxi xxx