-al -er a-a a-b a-t aaa aab aae aal aam aar aat aax ab- aba abb abe abl abm abr abt abx aea aeb aee ael aem aer aet aex al- ala alb ale all alm alr alt alx ama amb ame aml amm amr amt amx ar- ara arb are arl arm arr art arx at- ata atb ate atl atm atr att atx ax- axa axe axl axm axr axt axx baa bab bae bal bam bar bat bax bba bbb bbe bbl bbm bbr bbt bbx be- bea beb bee bel bem ber bet bex bla blb ble bll blm blr blt blx bma bmb bme bml bmm bmr bmt bmx bra brb bre brl brm brr brt brx bta btb bte btl btm btr btt btx bxb bxl bxm bxx eaa eab eae eal eam ear eat eax eba ebb ebe ebl ebm ebr ebt ebx eea eeb eee eel eem eer eet eex ela elb ele ell elm elr elt elx em- ema emb eme eml emm emr emt emx era erb ere erl erm err ert eta etb ete etl etm etr ett etx ex- exa exe exl exr ext exx la- laa lab lae lal lam lar lat lax lba lbb lbe lbl lbm lbr lbt lbx lea leb lee lel lem ler let lex lla llb lle lll llm llr llt lma lmb lme lml lmm lmr lmt lra lrb lrm lrr lrt lta ltb lte ltl ltm ltr ltt ltx lxr lxx m-r maa mab mae mal mam mar mat max mba mbb mbe mbl mbm mbr mbt mbx mea meb mee mel mem mer met mex mla mlb mle mll mlm mlr mlt mlx mma mmb mme mml mmm mmr mmt mmx mra mrb mre mrl mrm mrr mrt mrx mta mtb mte mtl mtm mtr mtt mtx mxa mxl mxr ra- raa rab rae ral ram rar rat rax rba rbb rbe rbl rbm rbr rbt rbx re- rea reb ree rel rem rer ret rex rla rle rll rlm rlr rlt rma rmb rme rml rmm rmr rmt rmx rra rrb rrl rrm rrr rrt rta rtb rte rtl rtm rtr rtt rtx rxr t-x taa tab tae tal tam tar tat tax tba tbb tbe tbl tbm tbr tbt te- tea teb tee tel tem ter tet tex tla tle tll tlm tlr tlt tlx tma tmb tme tml tmm tmr tmt tmx tra trb tre trl trm trr trt trx tta ttb tte ttl ttm ttr ttt ttx txe txl txt xaa xal xam xar xat xbe xbl xbr xbx xee xel xem xer xet xex xla xlb xlm xlr xlt xma xml xmm xmr xmt xmx xrt xrx xtm xtr xtx xxl xxx