a-a a-b a-i a-t aaa aab aai aam aan aar aas aat aau ab- aba abb abi abm abn abr abs abt abu ai- aia aib aii aim ain air ais ait aiu ama amb ami amm amn amr ams amt amu an- ana anb ani anm ann anr ans ant anu ar- ara arb ari arm arn arr ars art aru as- asa asb asi asm asn asr ass ast asu at- ata atb ati atm atn atr ats att atu au- aua aub aui aum aun aur aus aut b-u baa bab bai bam ban bar bas bat bau bba bbb bbi bbm bbn bbr bbs bbt bbu bi- bia bib bii bim bin bir bis bit biu bma bmb bmi bmm bmn bmr bms bmt bmu bna bnb bni bnn bnr bns bnt bnu bra brb bri brm brn brr brs brt bru bsa bsb bsi bsm bsn bsr bss bst bsu bta btb bti btm btn btr bts btt btu bua bub bui bum bun bur bus but buu ia- iaa iab iai iam ian iar ias iat iau iba ibb ibi ibm ibn ibr ibs ibt ibu iia iib iii iim iin iir iis iit iiu im- ima imb imi imm imn ims imt imu in- ina inb ini inm inn inr ins int inu ir- ira irb iri irm irn irr irs irt iru is- isa isb isi ism isn isr iss ist isu ita itb iti itm itn its itt itu iu- iua iub iui ium iur ius iut m-r maa mab mai mam man mar mas mat mau mba mbb mbi mbm mbr mbs mbt mbu mi- mia mib mii mim min mir mis mit miu mma mmb mmi mmm mmn mmr mms mmt mmu mna mnb mni mnm mnn mnr mns mnt mnu mra mrb mri mrm mrn mrr mrs mrt mru msa msb msi msm msn msr mss mst msu mta mtb mti mtm mtn mtr mts mtt mtu mua mub mui mum mun mur mus mut muu n-i naa nab nai nam nan nar nas nat nau nba nbb nbi nbm nbn nbr nbs nbt nbu nia nib nii nim nin nir nis nit niu nma nmb nmi nmm nmn nmr nms nmt nmu nna nnb nni nnm nnn nns nnt nnu nra nrb nri nrm nrn nrr nrs nrt nru nsa nsb nsi nsm nsn nsr nss nst nsu nta ntb nti ntm ntn ntr nts ntt ntu nua nub nui num nun nur nus nut nuu ra- raa rab rai ram ran rar ras rat rau rba rbb rbi rbm rbn rbr rbs rbt rbu ria rib rii rim rin rir ris rit rma rmb rmi rmm rmn rmr rms rmt rna rnb rni rnm rnn rnr rns rnt rnu rra rrb rri rrm rrn rrr rrs rrt rru rsa rsb rsi rsm rsn rsr rss rst rsu rta rtb rti rtm rtn rtr rts rtt rtu rua rub rui rum run rur rus rut ruu saa sab sai sam san sar sas sat sau sba sbb sbi sbm sbn sbr sbs sbt sbu sia sib sii sim sin sir sis sit siu sma smb smi smm smn smr sms smt smu sna snb sni snm snn snr sns snt snu sr- sra srb sri srm srn srr srs srt ss- ssa ssb ssi ssm ssn ssr sss sst ssu sta stb sti stm stn str sts stt stu sua sub sui sum sun sur sus sut suu taa tab tai tam tan tar tas tat tau tba tbb tbi tbm tbn tbr tbs tbt tbu tia tib tii tim tin tir tis tit tiu tma tmb tmi tmm tmn tmr tms tmt tmu tna tnb tni tnm tnn tnr tns tnt tra trb tri trm trn trr trs trt tru tsa tsb tsi tsm tsn tsr tss tst tsu tta ttb tti ttm ttn ttr tts ttt ttu tua tub tui tum tun tur tus tut tuu ua- uaa uab uai uam uan uar uas uat uau uba ubb ubi ubn ubr ubs ubt ubu uia uib uii uim uin uir uis uit uiu um- uma umb umi umm umn umr ums umt umu un- una unb uni unm unn unr uns unt unu ur- ura urb uri urm urn urr urs urt uru usa usb usi usm usn usr uss ust usu uta utb uti utm utn utr uts utt utu uua uum uun uur uus uut uuu