bbb bbe bbh bbl bbm bbn be- beb bee beh bel bem ben bhb bhe bhh bhl bhm blb ble blh bll blm bln bmb bme bmh bml bmm bmn bnb bne bnl bnn ebb ebe ebh ebl ebm ebn eeb eee eel eem een ehb ehe ehh ehl ehm ehn elb ele elh ell elm eln em- emb eme emh eml emm emn en- enb ene enh enl enm enn hbb hbe hbh hbl hbm hbn he- heb hee heh hel hem hen hhb hhe hhh hhl hhm hhn hlb hle hlh hll hlm hln hmb hme hmh hml hmm hnb hne hnh hnl hnn lbb lbe lbh lbl lbm leb lee leh lel lem len lhb lhh llb lle lll llm lln lmb lme lmh lml lmm lmn lnb lne lnh lnl lnm lnn mbb mbe mbh mbl mbm meb mee meh mel mem men mhh mhl mhm mhn mlb mle mlh mll mlm mln mmb mme mmh mml mmm mmn mnb mne mnl mnm mnn nbb nbe nbl nbm nbn ne- neb nee neh nel nem nen nhb nhe nhh nhl nhm nhn nlb nle nlh nll nlm nln nmb nme nmh nml nmm nmn nnb nne nnh nnl nnm nnn