-er b-p bbb bbd bbe bbh bbp bbr bdb bdd bde bdh bdp bdr be- beb bed bee beh bep ber bhb bhd bhe bhh bhp bhr bpb bpd bpe bph bpp bpr brb brd bre brh brp brr dbb dbd dbe dbh dbp dbr ddb ddd dde ddh ddp ddr de- deb ded dee deh dep der dh- dhb dhd dhe dhh dhp dhr dpb dpd dpe dph dpp dpr drb drd dre drp drr ebb ebd ebe ebh ebp ebr ed- edb edd ede edh edp edr eeb eed eee eep eer ehb ehd ehe ehh ehp ehr ep- epb epd epe eph epp epr erb erd ere erh erp err hbb hbd hbe hbh hbp hbr hdb hdd hde hdh hdp hdr he- heb hed hee heh hep her hhb hhd hhe hhh hhp hhr hpb hpd hpe hph hpp hpr hr- hrb hrd hre hrh hrp hrr p-p pbb pbd pbe pbp pbr pdb pdd pde pdh pdp pdr peb ped pee peh pep per phb phd phe php phr ppb ppd ppe pph ppp ppr prb prd pre prh prp prr rbb rbd rbe rbh rbp rbr rdb rdd rde rdh rdp rdr re- reb red ree reh rep rer rh- rhb rhd rhe rhh rhp rhr rpb rpd rpe rph rpp rpr rrb rrd rrh rrp rrr