a-a a-b a-i a-t aaa aab aai aam aar aat aau aax ab- aba abb abi abm abr abt abu abx ai- aia aib aii aim air ait aiu aix ama amb ami amm amr amt amu amx ar- ara arb ari arm arr art aru arx at- ata atb ati atm atr att atu atx au- aua aub aui aum aur aut aux ax- axa axi axm axr axt axx b-u baa bab bai bam bar bat bau bax bba bbb bbi bbm bbr bbt bbu bbx bi- bia bib bii bim bir bit biu bix bma bmb bmi bmm bmr bmt bmu bmx bra brb bri brm brr brt bru brx bta btb bti btm btr btt btu btx bua bub bui bum bur but buu bux bxb bxi bxm bxx ia- iaa iab iai iam iar iat iau iba ibb ibi ibm ibr ibt ibu ibx iia iib iii iim iir iit iiu iix im- ima imb imi imm imt imu imx ir- ira irb iri irm irr irt iru irx ita itb iti itm itt itu itx iu- iua iub iui ium iur iut ixi m-r maa mab mai mam mar mat mau max mba mbb mbi mbm mbr mbt mbu mbx mi- mia mib mii mim mir mit miu mix mma mmb mmi mmm mmr mmt mmu mmx mra mrb mri mrm mrr mrt mru mrx mta mtb mti mtm mtr mtt mtu mtx mua mub mui mum mur mut muu mux mxa mxi mxr mxu ra- raa rab rai ram rar rat rau rax rba rbb rbi rbm rbr rbt rbu rbx ria rib rii rim rir rit rix rma rmb rmi rmm rmr rmt rmx rra rrb rri rrm rrr rrt rru rta rtb rti rtm rtr rtt rtu rtx rua rub rui rum rur rut ruu rux rxr t-x taa tab tai tam tar tat tau tax tba tbb tbi tbm tbr tbt tbu tia tib tii tim tir tit tiu tix tma tmb tmi tmm tmr tmt tmu tmx tra trb tri trm trr trt tru trx tta ttb tti ttm ttr ttt ttu ttx tua tub tui tum tur tut tuu tux txi txt txu ua- uaa uab uai uam uar uat uau uba ubb ubi ubr ubt ubu ubx uia uib uii uim uir uit uiu um- uma umb umi umm umr umt umu ur- ura urb uri urm urr urt uru urx uta utb uti utm utr utt utu utx uua uum uur uut uuu uxb uxr uxt uxu xaa xam xar xat xau xbr xbx xia xii xit xiu xix xma xmi xmm xmr xmt xmu xmx xrt xrx xti xtm xtr xtx xui xxi xxx