-al -er a-a a-b aaa aab aae aal aam aan aap aar ab- aba abb abe abl abm abn abp abr aea aeb aee ael aem aen aep aer al- ala alb ale all alm aln alp alr ama amb ame aml amm amn amp amr an- ana anb ane anl anm ann anp anr ap- apa apb ape apl apm apn app apr ar- ara arb are arl arm arn arp arr b-p baa bab bae bal bam ban bap bar bba bbb bbe bbl bbm bbn bbp bbr be- bea beb bee bel bem ben bep ber bla blb ble bll blm bln blp blr bma bmb bme bml bmm bmn bmp bmr bna bnb bne bnl bnn bnp bnr bpa bpb bpe bpl bpm bpn bpp bpr bra brb bre brl brm brn brp brr eaa eab eae eal eam ean eap ear eba ebb ebe ebl ebm ebn ebp ebr eea eeb eee eel eem een eep eer ela elb ele ell elm eln elp elr em- ema emb eme eml emm emn emp emr en- ena enb ene enl enm enn enp enr ep- epa epb epe epl epm epn epp epr era erb ere erl erm ern erp err l-p la- laa lab lae lal lam lan lap lar lba lbb lbe lbl lbm lbp lbr lea leb lee lel lem len lep ler lla llb lle lll llm lln llp llr lma lmb lme lml lmm lmn lmp lmr lna lnb lne lnl lnm lnn lnp lnr lpa lpb lpe lpl lpm lpn lpp lpr lra lrb lrm lrn lrp lrr m-r maa mab mae mal mam man map mar mba mbb mbe mbl mbm mbp mbr mea meb mee mel mem men mep mer mla mlb mle mll mlm mln mlp mlr mma mmb mme mml mmm mmn mmp mmr mna mnb mne mnl mnm mnn mnp mnr mpa mpb mpe mpl mpm mpn mpp mpr mra mrb mre mrl mrm mrn mrp mrr naa nab nae nal nam nan nap nar nba nbb nbe nbl nbm nbn nbp nbr ne- nea neb nee nel nem nen nep ner nla nlb nle nll nlm nln nlp nlr nma nmb nme nml nmm nmn nmp nmr nna nnb nne nnl nnm nnn nnp npa npb npe npl npm npn npp npr nra nrb nre nrl nrm nrn nrp nrr p-p paa pab pae pal pam pan pap par pba pbb pbe pbl pbm pbn pbp pbr pea peb pee pel pem pen pep per pla plb ple pll plm pln plp plr pma pmb pme pml pmm pmn pmp pmr pn- pna pnb pne pnl pnm pnn pnp pnr ppa ppb ppe ppl ppm ppn ppp ppr pra prb pre prl prm prn prp prr ra- raa rab rae ral ram ran rap rar rba rbb rbe rbl rbm rbn rbp rbr re- rea reb ree rel rem ren rep rer rla rle rll rlm rln rlp rlr rma rmb rme rml rmm rmn rmp rmr rna rnb rnm rnn rnp rnr rpa rpb rpe rpl rpm rpn rpp rpr rra rrb rrl rrm rrn rrp rrr