-er a-a a-b a-t aaa aab aae aag aak aam aar aat aau ab- aba abb abe abg abk abm abr abt abu aea aeb aee aeg aek aem aer aet aeu ag- aga agb age agg agk agm agr agt agu aka akb ake akg akk akm akr aku ama amb ame amg amk amm amr amt amu ar- ara arb are arg ark arm arr art aru at- ata atb ate atg atm atr att atu au- aua aub aue aug auk aum aur aut b-u baa bab bae bag bak bam bar bat bau bba bbb bbe bbg bbk bbm bbr bbt bbu be- bea beb bee beg bek bem ber bet beu bga bgb bge bgg bgk bgm bgr bgt bgu bka bkb bke bkg bkk bkm bkr bkt bma bmb bme bmg bmk bmm bmr bmt bmu bra brb bre brg brk brm brr brt bru bta btb bte btg btk btm btr btt btu bua bub bue bug buk bum bur but buu eaa eab eae eag eak eam ear eat eau eba ebb ebe ebg ebk ebm ebr ebt ebu eea eeb eee eeg eek eem eer eet ega egb ege egg egm egr egt egu eka ekb eke ekg ekr ekt eku em- ema emb eme emg emk emm emr emt emu era erb ere erg erk erm err ert eru eta etb ete etg etk etm etr ett etu eu- eua eub eue eug eur eut gaa gab gae gag gak gam gar gat gau gba gbe gbg gbk gbm gbr gbt gbu ge- gea geb gee geg gek gem ger get geu gga ggb ggg ggm ggr ggt ggu gka gkb gkm gkt gma gmb gme gmg gmm gmr gmt gra grb gre grg grk grm grr grt gru gta gtb gte gtg gtk gtm gtr gtt gtu gu- gua gub gue gug guk gum gur gut guu k-t ka- kaa kab kae kag kak kam kar kat kau kba kbb kbe kbk kbm kbr kbu ke- kea keb kee keg kek kem ker ket kga kgb kgm kgu kkb kke kkk kkm kkr kkt kku kma kmb kme kmg kmk kmm kmt kmu kra krg krk krr krt kru kta ktb kte ktg ktk ktm ktr ktt ktu kub kue kug kuk kum kur kut kuu m-r maa mab mae mag mak mam mar mat mau mba mbb mbe mbg mbk mbm mbr mbt mbu mea meb mee meg mek mem mer met meu mga mgb mge mgk mgm mgr mgt mgu mka mkb mke mkg mkk mkm mkr mkt mku mma mmb mme mmg mmk mmm mmr mmt mmu mra mrb mre mrg mrk mrm mrr mrt mru mta mtb mte mtg mtk mtm mtr mtt mtu mua mub mue mug muk mum mur mut muu ra- raa rab rae rag rak ram rar rat rau rba rbb rbe rbg rbk rbm rbr rbt rbu re- rea reb ree reg rek rem rer ret reu rga rgb rge rgg rgk rgr rgt rkb rke rkg rkk rkm rkt rku rma rmb rme rmg rmm rmr rmt rra rrb rrg rrk rrm rrr rrt rru rta rtb rte rtg rtk rtm rtr rtt rtu rua rub rue rug ruk rum rur rut ruu taa tab tae tag tak tam tar tat tau tba tbb tbe tbg tbk tbm tbr tbt tbu te- tea teb tee teg tek tem ter tet teu tga tgb tge tgg tgk tgm tgr tgt tgu tka tkb tke tkg tkk tkm tkr tkt tma tmb tme tmg tmk tmm tmr tmt tmu tra trb tre trg trk trm trr trt tru tta ttb tte ttg ttk ttm ttr ttt ttu tua tub tue tug tuk tum tur tut tuu ua- uaa uab uae uag uak uam uar uat uau uba ubb ube ubg ubk ubr ubt ubu uea ueb uee ueg uem uer uet uga ugb uge ugg ugk ugm ugr ugt ugu uka ukb uke ukk ukr uku um- uma umb ume umg umm umr umt umu ur- ura urb ure urg urk urm urr urt uru uta utb ute utk utm utr utt utu uua uue uug uum uur uut uuu