-al -er a-a a-b a-t aaa aab aae aag aal aam aar aat ab- aba abb abe abg abl abm abr abt aea aeb aee aeg ael aem aer aet ag- aga agb age agg agl agm agr agt al- ala alb ale alg all alm alr alt ama amb ame amg aml amm amr amt ar- ara arb are arg arl arm arr art at- ata atb ate atg atl atm atr att baa bab bae bag bal bam bar bat bba bbb bbe bbg bbl bbm bbr bbt be- bea beb bee beg bel bem ber bet bga bgb bge bgg bgl bgm bgr bgt bla blb ble blg bll blm blr blt bma bmb bme bmg bml bmm bmr bmt bra brb bre brg brl brm brr brt bta btb bte btg btl btm btr btt eaa eab eae eag eal eam ear eat eba ebb ebe ebg ebl ebm ebr ebt eea eeb eee eeg eel eem eer eet ega egb ege egg egl egm egr egt ela elb ele elg ell elm elr elt em- ema emb eme emg eml emm emr emt era erb ere erg erl erm err ert eta etb ete etg etl etm etr ett gaa gab gae gag gal gam gar gat gba gbe gbg gbl gbm gbr gbt ge- gea geb gee geg gel gem ger get gga ggb ggg ggm ggr ggt gla glb gle glg gll glm glr glt gma gmb gme gmg gml gmm gmr gmt gra grb gre grg grl grm grr grt gta gtb gte gtg gtl gtm gtr gtt la- laa lab lae lag lal lam lar lat lba lbb lbe lbg lbl lbm lbr lbt lea leb lee leg lel lem ler let lga lgb lge lgg lgl lgm lgr lgt lla llb lle llg lll llm llr llt lma lmb lme lmg lml lmm lmr lmt lra lrb lrg lrm lrr lrt lta ltb lte ltg ltl ltm ltr ltt m-r maa mab mae mag mal mam mar mat mba mbb mbe mbg mbl mbm mbr mbt mea meb mee meg mel mem mer met mga mgb mge mgl mgm mgr mgt mla mlb mle mlg mll mlm mlr mlt mma mmb mme mmg mml mmm mmr mmt mra mrb mre mrg mrl mrm mrr mrt mta mtb mte mtg mtl mtm mtr mtt ra- raa rab rae rag ral ram rar rat rba rbb rbe rbg rbl rbm rbr rbt re- rea reb ree reg rel rem rer ret rga rgb rge rgg rgr rgt rla rle rlg rll rlm rlr rlt rma rmb rme rmg rml rmm rmr rmt rra rrb rrg rrl rrm rrr rrt rta rtb rte rtg rtl rtm rtr rtt taa tab tae tag tal tam tar tat tba tbb tbe tbg tbl tbm tbr tbt te- tea teb tee teg tel tem ter tet tga tgb tge tgg tgl tgm tgr tgt tla tle tlg tll tlm tlr tlt tma tmb tme tmg tml tmm tmr tmt tra trb tre trg trl trm trr trt tta ttb tte ttg ttl ttm ttr ttt