-er a-a a-b a-t aaa aab aae aag aaj aam aao aar aat aau ab- aba abb abe abg abj abm abo abr abt abu aea aeb aee aeg aej aem aeo aer aet aeu ag- aga agb age agg agj agm ago agr agt agu aja ajb aje ajj ajm ajo ajr ajt aju ama amb ame amg amm amo amr amt amu aoa aob aoe aog aoj aom aoo aor aot aou ar- ara arb are arg arj arm aro arr art aru at- ata atb ate atg atm ato atr att atu au- aua aub aue aug auj aum auo aur aut b-u baa bab bae bag baj bam bao bar bat bau bba bbb bbe bbg bbm bbo bbr bbt bbu be- bea beb bee beg bem beo ber bet beu bga bgb bge bgg bgm bgo bgr bgt bgu bja bjg bjj bjm bjr bjt bju bma bmb bme bmg bmj bmm bmo bmr bmt bmu boa bob boe bog boj bom boo bor bot bou bra brb bre brg brj brm bro brr brt bru bta btb bte btg btm bto btr btt btu bua bub bue bug buj bum buo bur but buu eaa eab eae eag eaj eam eao ear eat eau eba ebb ebe ebg ebj ebm ebo ebr ebt ebu eea eeb eee eeg eem eeo eer eet ega egb ege egg egm ego egr egt egu eja ejo ejt eju em- ema emb eme emg emm emo emr emt emu eo- eoa eob eoe eog eom eoo eor eot eou era erb ere erg erm ero err ert eru eta etb ete etg etj etm eto etr ett etu eu- eua eub eue eug euj eur eut gaa gab gae gag gaj gam gao gar gat gau gba gbe gbg gbj gbm gbo gbr gbt gbu ge- gea geb gee geg gem geo ger get geu gga ggb ggg ggj ggm ggo ggr ggt ggu gja gje gjg gjr gjt gma gmb gme gmg gmj gmm gmo gmr gmt goa gob goe gog gom goo gor got gou gra grb gre grg grj grm gro grr grt gru gta gtb gte gtg gtm gto gtr gtt gtu gu- gua gub gue gug guj gum guo gur gut guu jaa jab jae jag jaj jam jao jar jat jau jba jbg jbj jbm jbo jbr jbt jbu jea jeb jee jeg jej jem jeo jer jet jeu jga jgb jge jgo jgr jgt jgu jja jjb jjg jjj jjr jju jma jmb jme jmj jmm jmo jmr jmt jmu joa job joe jog joj jom joo jor jot jou jra jrb jrg jrm jro jrr jrt jta jtb jte jtg jtm jtr jtt jtu jub jue jug jum juo jur jut m-o m-r maa mab mae mag maj mam mao mar mat mau mba mbb mbe mbg mbj mbm mbo mbr mbt mbu mea meb mee meg mej mem meo mer met meu mga mgb mge mgj mgm mgo mgr mgt mgu mjb mje mjj mjm mjr mjt mma mmb mme mmg mmj mmm mmo mmr mmt mmu moa mob moe mog mom moo mor mot mou mra mrb mre mrg mrj mrm mro mrr mrt mru mta mtb mte mtg mtj mtm mto mtr mtt mtu mua mub mue mug muj mum mur mut muu oaa oab oae oag oaj oam oao oar oat oau ob- oba obb obe obg obj obm obo obr obt obu oea oeb oee oeg oem oeo oer oet oga oge ogg ogo ogt oja ojb oje ojm ojo oju om- oma omb ome omg omj omm omo omr omt omu oo- ooa oob oog oom ooo oor oot or- ora orb ore org orm oro orr ort oru ot- ota otb ote otg otm oto otr ott otu ou- oua oue oum ouo our out ra- raa rab rae rag raj ram rao rar rat rau rba rbb rbe rbg rbm rbo rbr rbt rbu re- rea reb ree reg rem reo rer ret reu rga rgb rge rgg rgo rgr rgt rja rjg rjm rjr rma rmb rme rmg rmm rmo rmr rmt roa rob roe rog roj rom roo ror rot rou rra rrb rrg rrm rrr rrt rru rta rtb rte rtg rtj rtm rto rtr rtt rtu rua rub rue rug rum ruo rur rut ruu taa tab tae tag taj tam tao tar tat tau tba tbb tbe tbg tbj tbm tbo tbr tbt tbu te- tea teb tee teg tej tem teo ter tet teu tga tgb tge tgg tgm tgo tgr tgt tgu tje tjm tjo tjr tju tma tmb tme tmg tmj tmm tmo tmr tmt tmu to- toa tob toe tog toj tom too tor tot tou tra trb tre trg trm tro trr trt tru tta ttb tte ttg ttm tto ttr ttt ttu tua tub tue tug tuj tum tuo tur tut tuu ua- uaa uab uae uag uaj uam uao uar uat uau uba ubb ube ubg ubo ubr ubt ubu uea ueb uee ueg uem uer uet uga ugb uge ugg ugm ugo ugr ugt ugu ujo um- uma umb ume umg umm umo umr umt umu uoa uob uoe uog uoj uom uoo uor uot ur- ura urb ure urg urm uro urr urt uru uta utb ute utj utm uto utr utt utu uua uue uug uum uur uut uuu