a-a a-b a-t aaa aab aag aam aan aar aas aat aau ab- aba abb abg abm abn abr abs abt abu ag- aga agb agg agm agn agr ags agt agu ama amb amg amm amn amr ams amt amu an- ana anb ang anm ann anr ans ant anu ar- ara arb arg arm arn arr ars art aru as- asa asb asg asm asn asr ass ast asu at- ata atb atg atm atn atr ats att atu au- aua aub aug aum aun aur aus aut b-u baa bab bag bam ban bar bas bat bau bba bbb bbg bbm bbn bbr bbs bbt bbu bga bgb bgg bgm bgn bgr bgs bgt bgu bma bmb bmg bmm bmn bmr bms bmt bmu bna bnb bng bnn bnr bns bnt bnu bra brb brg brm brn brr brs brt bru bsa bsb bsg bsm bsn bsr bss bst bsu bta btb btg btm btn btr bts btt btu bua bub bug bum bun bur bus but buu gaa gab gag gam gan gar gas gat gau gba gbg gbm gbn gbr gbs gbt gbu gga ggb ggg ggm ggn ggr ggs ggt ggu gma gmb gmg gmm gmn gmr gms gmt gna gnb gnm gnn gnr gns gnt gnu gra grb grg grm grn grr grs grt gru gsa gsb gsg gsm gsn gsr gss gst gsu gta gtb gtg gtm gtn gtr gts gtt gtu gu- gua gub gug gum gun gur gus gut guu m-r maa mab mag mam man mar mas mat mau mba mbb mbg mbm mbr mbs mbt mbu mga mgb mgm mgn mgr mgs mgt mgu mma mmb mmg mmm mmn mmr mms mmt mmu mna mnb mng mnm mnn mnr mns mnt mnu mra mrb mrg mrm mrn mrr mrs mrt mru msa msb msg msm msn msr mss mst msu mta mtb mtg mtm mtn mtr mts mtt mtu mua mub mug mum mun mur mus mut muu naa nab nag nam nan nar nas nat nau nba nbb nbg nbm nbn nbr nbs nbt nbu nga ngb ngg ngm ngn ngs ngt ngu nma nmb nmg nmm nmn nmr nms nmt nmu nna nnb nng nnm nnn nns nnt nnu nra nrb nrg nrm nrn nrr nrs nrt nru nsa nsb nsg nsm nsn nsr nss nst nsu nta ntb ntg ntm ntn ntr nts ntt ntu nua nub nug num nun nur nus nut nuu ra- raa rab rag ram ran rar ras rat rau rba rbb rbg rbm rbn rbr rbs rbt rbu rga rgb rgg rgn rgr rgs rgt rma rmb rmg rmm rmn rmr rms rmt rna rnb rng rnm rnn rnr rns rnt rnu rra rrb rrg rrm rrn rrr rrs rrt rru rsa rsb rsg rsm rsn rsr rss rst rsu rta rtb rtg rtm rtn rtr rts rtt rtu rua rub rug rum run rur rus rut ruu saa sab sag sam san sar sas sat sau sba sbb sbg sbm sbn sbr sbs sbt sbu sga sgb sgg sgm sgn sgr sgs sgt sgu sma smb smg smm smn smr sms smt smu sna snb sng snm snn snr sns snt snu sr- sra srb srg srm srn srr srs srt ss- ssa ssb ssg ssm ssn ssr sss sst ssu sta stb stg stm stn str sts stt stu sua sub sug sum sun sur sus sut suu taa tab tag tam tan tar tas tat tau tba tbb tbg tbm tbn tbr tbs tbt tbu tga tgb tgg tgm tgn tgr tgs tgt tgu tma tmb tmg tmm tmn tmr tms tmt tmu tna tnb tng tnm tnn tnr tns tnt tra trb trg trm trn trr trs trt tru tsa tsb tsg tsm tsn tsr tss tst tsu tta ttb ttg ttm ttn ttr tts ttt ttu tua tub tug tum tun tur tus tut tuu ua- uaa uab uag uam uan uar uas uat uau uba ubb ubg ubn ubr ubs ubt ubu uga ugb ugg ugm ugn ugr ugs ugt ugu um- uma umb umg umm umn umr ums umt umu un- una unb ung unm unn unr uns unt unu ur- ura urb urg urm urn urr urs urt uru usa usb usg usm usn usr uss ust usu uta utb utm utn utr uts utt utu uua uug uum uun uur uus uut uuu