-er -th b-p bbb bbe bbh bbn bbp bbr bbt be- beb bee beh ben bep ber bet bhb bhe bhh bhp bhr bht bnb bne bnn bnp bnr bnt bpb bpe bph bpn bpp bpr bpt brb bre brh brn brp brr brt btb bte bth btn btp btr btt ebb ebe ebh ebn ebp ebr ebt eeb eee een eep eer eet ehb ehe ehh ehn ehp ehr eht en- enb ene enh enn enp enr ent ep- epb epe eph epn epp epr ept erb ere erh ern erp err ert etb ete eth etn etp etr ett hbb hbe hbh hbn hbp hbr hbt he- heb hee heh hen hep her het hhb hhe hhh hhn hhp hhr hht hnb hne hnh hnn hnt hpb hpe hph hpn hpp hpr hpt hr- hrb hre hrh hrn hrp hrr hrt htb hte hth htn htp htr htt nbb nbe nbn nbp nbr nbt ne- neb nee neh nen nep ner net nhb nhe nhh nhn nhp nhr nht nnb nne nnh nnn nnp nnt npb npe nph npn npp npr npt nrb nre nrn nrp nrr nrt ntb nte nth ntn ntp ntr ntt p-p pbb pbe pbn pbp pbr pbt peb pee peh pen pep per pet phb phe phn php phr pht pn- pnb pne pnh pnn pnp pnr pnt ppb ppe pph ppn ppp ppr ppt prb pre prh prn prp prr prt pt- ptb pte pth ptn ptp ptr ptt rbb rbe rbh rbn rbp rbr rbt re- reb ree reh ren rep rer ret rh- rhb rhe rhh rhn rhp rhr rht rnb rnh rnn rnp rnr rnt rpb rpe rph rpn rpp rpr rpt rrb rrh rrn rrp rrr rrt rtb rte rtn rtp rtr rtt tbb tbe tbh tbn tbp tbr tbt te- teb tee teh ten tep ter tet th- thb the thh thn thp thr tht tnb tne tnh tnn tnp tnr tnt tpb tpe tph tpn tpp tpr tpt trb tre trh trn trp trr trt ttb tte tth ttn ttp ttr ttt