a-a a-b a-i a-t aaa aab aai aam aar aas aat aau aax ab- aba abb abi abm abr abs abt abu abx ai- aia aib aii aim air ais ait aiu aix ama amb ami amm amr ams amt amu amx ar- ara arb ari arm arr ars art aru arx as- asa asb asi asm asr ass ast asu asx at- ata atb ati atm atr ats att atu atx au- aua aub aui aum aur aus aut aux ax- axa axi axm axr axs axt axx b-u baa bab bai bam bar bas bat bau bax bba bbb bbi bbm bbr bbs bbt bbu bbx bi- bia bib bii bim bir bis bit biu bix bma bmb bmi bmm bmr bms bmt bmu bmx bra brb bri brm brr brs brt bru brx bsa bsb bsi bsm bsr bss bst bsu bsx bta btb bti btm btr bts btt btu btx bua bub bui bum bur bus but buu bux bxb bxi bxm bxx ia- iaa iab iai iam iar ias iat iau iba ibb ibi ibm ibr ibs ibt ibu ibx iia iib iii iim iir iis iit iiu iix im- ima imb imi imm ims imt imu imx ir- ira irb iri irm irr irs irt iru irx is- isa isb isi ism isr iss ist isu ita itb iti itm its itt itu itx iu- iua iub iui ium iur ius iut ixi m-r maa mab mai mam mar mas mat mau max mba mbb mbi mbm mbr mbs mbt mbu mbx mi- mia mib mii mim mir mis mit miu mix mma mmb mmi mmm mmr mms mmt mmu mmx mra mrb mri mrm mrr mrs mrt mru mrx msa msb msi msm msr mss mst msu msx mta mtb mti mtm mtr mts mtt mtu mtx mua mub mui mum mur mus mut muu mux mxa mxi mxr mxs mxu ra- raa rab rai ram rar ras rat rau rax rba rbb rbi rbm rbr rbs rbt rbu rbx ria rib rii rim rir ris rit rix rma rmb rmi rmm rmr rms rmt rmx rra rrb rri rrm rrr rrs rrt rru rsa rsb rsi rsm rsr rss rst rsu rsx rta rtb rti rtm rtr rts rtt rtu rtx rua rub rui rum rur rus rut ruu rux rxr rxs saa sab sai sam sar sas sat sau sax sba sbb sbi sbm sbr sbs sbt sbu sbx sia sib sii sim sir sis sit siu six sma smb smi smm smr sms smt smu smx sr- sra srb sri srm srr srs srt srx ss- ssa ssb ssi ssm ssr sss sst ssu ssx sta stb sti stm str sts stt stu stx sua sub sui sum sur sus sut suu sux sxi sxm sxs sxt sxu t-x taa tab tai tam tar tas tat tau tax tba tbb tbi tbm tbr tbs tbt tbu tia tib tii tim tir tis tit tiu tix tma tmb tmi tmm tmr tms tmt tmu tmx tra trb tri trm trr trs trt tru trx tsa tsb tsi tsm tsr tss tst tsu tsx tta ttb tti ttm ttr tts ttt ttu ttx tua tub tui tum tur tus tut tuu tux txi txs txt txu ua- uaa uab uai uam uar uas uat uau uba ubb ubi ubr ubs ubt ubu ubx uia uib uii uim uir uis uit uiu um- uma umb umi umm umr ums umt umu ur- ura urb uri urm urr urs urt uru urx usa usb usi usm usr uss ust usu usx uta utb uti utm utr uts utt utu utx uua uum uur uus uut uuu uxb uxr uxt uxu xaa xam xar xas xat xau xbr xbx xia xii xis xit xiu xix xma xmi xmm xmr xms xmt xmu xmx xrt xrx xsa xsb xsi xsm xss xst xti xtm xtr xts xtx xui xus xxi xxx