-ic a-a a-b a-c a-i a-t aaa aab aac aai aam aat aau aax ab- aba abb abc abi abm abt abu abx ac- aca acb acc aci acm act acu acx ai- aia aib aic aii aim ait aiu aix ama amb amc ami amm amt amu amx at- ata atb atc ati atm att atu atx au- aua aub auc aui aum aut aux ax- axa axi axm axt axx b-u baa bab bac bai bam bat bau bax bba bbb bbc bbi bbm bbt bbu bbx bca bcb bcc bci bcm bct bcu bcx bi- bia bib bic bii bim bit biu bix bma bmb bmc bmi bmm bmt bmu bmx bta btb btc bti btm btt btu btx bua bub buc bui bum but buu bux bxb bxi bxm bxx c-- caa cab cac cai cam cat cau cax cba cbb cbc cbi cbm cbt cbu cbx cca ccb ccc cci ccm cct ccu ccx ci- cia cib cic cii cim cit ciu cix cma cmb cmc cmi cmm cmt cmu cmx cta ctb ctc cti ctm ctt ctu ctx cua cub cuc cui cum cut cuu cxc cxi cxt cxx ia- iaa iab iac iai iam iat iau iba ibb ibc ibi ibm ibt ibu ibx ica icb icc ici icm ict icu iia iib iic iii iim iit iiu iix im- ima imb imc imi imm imt imu imx ita itb itc iti itm itt itu itx iu- iua iub iuc iui ium iut ixc ixi maa mab mac mai mam mat mau max mba mbb mbc mbi mbm mbt mbu mbx mc- mca mcb mcc mci mcm mct mcu mcx mi- mia mib mic mii mim mit miu mix mma mmb mmc mmi mmm mmt mmu mmx mta mtb mtc mti mtm mtt mtu mtx mua mub muc mui mum mut muu mux mxa mxc mxi mxu t-x taa tab tac tai tam tat tau tax tba tbb tbc tbi tbm tbt tbu tca tcb tcc tci tcm tct tcu tcx tia tib tic tii tim tit tiu tix tma tmb tmc tmi tmm tmt tmu tmx tta ttb ttc tti ttm ttt ttu ttx tua tub tuc tui tum tut tuu tux txi txt txu ua- uaa uab uac uai uam uat uau uba ubb ubc ubi ubt ubu ubx uca ucb ucc uci ucm uct ucu uia uib uic uii uim uit uiu um- uma umb umc umi umm umt umu uta utb utc uti utm utt utu utx uua uuc uum uut uuu uxb uxc uxt uxu xaa xac xam xat xau xbc xbx xcb xci xcx xia xic xii xit xiu xix xma xmc xmi xmm xmt xmu xmx xtc xti xtm xtx xui xxi xxx