-er bbb bbe bbh bbn bbr be- beb bee beh ben ber bev bez bhb bhe bhh bhr bhv bnb bne bnn bnr bnv bnz brb bre brh brn brr brv brz bvb bve bvh bvn bvr bvv bze bzh bzn bzr bzz ebb ebe ebh ebn ebr ebv eeb eee een eer eev ehb ehe ehh ehn ehr ehv en- enb ene enh enn enr env enz erb ere erh ern err erv erz evb eve evh evn evr evv eze ezh ezr ezz hbb hbe hbh hbn hbr hbv hbz he- heb hee heh hen her hev hez hhb hhe hhh hhn hhr hhv hhz hnb hne hnh hnn hnv hnz hr- hrb hre hrh hrn hrr hrv hrz hv- hvb hvn hvr hvv hze nbb nbe nbn nbr nbv ne- neb nee neh nen ner nev nez nhb nhe nhh nhn nhr nhv nhz nnb nne nnh nnn nnv nnz nrb nre nrn nrr nrv nrz nvb nve nvh nvn nvv nzb nze nzz rbb rbe rbh rbn rbr re- reb ree reh ren rer rev rez rh- rhb rhe rhh rhn rhr rhv rnb rnh rnn rnr rnv rnz rrb rrh rrn rrr rvb rve rvh rvn rvr rvv rzb rze v-e vbh vbr vbv vbz veb vee veh ven ver vez vh- vhb vhe vn- vnr vnv vrb vre vrh vrn vrr vvb vvr vvv vvz vzn zbb zbr zbv zeb zee zeh zen zer zev zez zhe zhr zne znn zrh zzr zzz