-al -er a-a a-b aaa aab aae aag aak aal aam aar ab- aba abb abe abg abk abl abm abr aea aeb aee aeg aek ael aem aer ag- aga agb age agg agk agl agm agr aka akb ake akg akk akl akm akr al- ala alb ale alg alk all alm alr ama amb ame amg amk aml amm amr ar- ara arb are arg ark arl arm arr baa bab bae bag bak bal bam bar bba bbb bbe bbg bbk bbl bbm bbr be- bea beb bee beg bek bel bem ber bga bgb bge bgg bgk bgl bgm bgr bka bkb bke bkg bkk bkl bkm bkr bla blb ble blg blk bll blm blr bma bmb bme bmg bmk bml bmm bmr bra brb bre brg brk brl brm brr eaa eab eae eag eak eal eam ear eba ebb ebe ebg ebk ebl ebm ebr eea eeb eee eeg eek eel eem eer ega egb ege egg egl egm egr eka ekb eke ekg ekl ekr ela elb ele elg elk ell elm elr em- ema emb eme emg emk eml emm emr era erb ere erg erk erl erm err gaa gab gae gag gak gal gam gar gba gbe gbg gbk gbl gbm gbr ge- gea geb gee geg gek gel gem ger gga ggb ggg ggm ggr gka gkb gkm gla glb gle glg glk gll glm glr gma gmb gme gmg gml gmm gmr gra grb gre grg grk grl grm grr ka- kaa kab kae kag kak kal kam kar kba kbb kbe kbk kbl kbm kbr ke- kea keb kee keg kek kel kem ker kga kgb kgl kgm kkb kke kkk kkl kkm kkr kl- kla klb klg klm klr kma kmb kme kmg kmk kml kmm kra krg krk krl krr la- laa lab lae lag lak lal lam lar lba lbb lbe lbg lbk lbl lbm lbr lea leb lee leg lek lel lem ler lga lgb lge lgg lgk lgl lgm lgr lka lkb lkg lkl lkr lla llb lle llg llk lll llm llr lma lmb lme lmg lmk lml lmm lmr lra lrb lrg lrk lrm lrr m-r maa mab mae mag mak mal mam mar mba mbb mbe mbg mbk mbl mbm mbr mea meb mee meg mek mel mem mer mga mgb mge mgk mgl mgm mgr mka mkb mke mkg mkk mkl mkm mkr mla mlb mle mlg mlk mll mlm mlr mma mmb mme mmg mmk mml mmm mmr mra mrb mre mrg mrk mrl mrm mrr ra- raa rab rae rag rak ral ram rar rba rbb rbe rbg rbk rbl rbm rbr re- rea reb ree reg rek rel rem rer rga rgb rge rgg rgk rgr rkb rke rkg rkk rkm rla rle rlg rll rlm rlr rma rmb rme rmg rml rmm rmr rra rrb rrg rrk rrl rrm rrr