-er -up b-p b-u bbb bbe bbh bbn bbp bbr bbu be- beb bee beh ben bep ber beu bhb bhe bhh bhp bhr bhu bnb bne bnn bnp bnr bnu bpb bpe bph bpn bpp bpr bpu brb bre brh brn brp brr bru bub bue buh bun bup bur buu ebb ebe ebh ebn ebp ebr ebu eeb eee een eep eer ehb ehe ehh ehn ehp ehr ehu en- enb ene enh enn enp enr enu ep- epb epe eph epn epp epr epu erb ere erh ern erp err eru eu- eub eue eun eup eur hbb hbe hbh hbn hbp hbr hbu he- heb hee heh hen hep her heu hhb hhe hhh hhn hhp hhr hhu hnb hne hnh hnn hnu hpb hpe hph hpn hpp hpr hpu hr- hrb hre hrh hrn hrp hrr hru hub hue huh hun hup hur huu nbb nbe nbn nbp nbr nbu ne- neb nee neh nen nep ner neu nhb nhe nhh nhn nhp nhr nhu nnb nne nnh nnn nnp nnu npb npe nph npn npp npr npu nrb nre nrn nrp nrr nru nub nue nuh nun nup nur nuu p-p pbb pbe pbn pbp pbr pbu peb pee peh pen pep per peu phb phe phn php phr phu pn- pnb pne pnh pnn pnp pnr pnu ppb ppe pph ppn ppp ppr ppu prb pre prh prn prp prr pru pub pue puh pun pup pur puu rbb rbe rbh rbn rbp rbr rbu re- reb ree reh ren rep rer reu rh- rhb rhe rhh rhn rhp rhr rhu rnb rnh rnn rnp rnr rnu rpb rpe rph rpn rpp rpr rpu rrb rrh rrn rrp rrr rru rub rue ruh run rup rur ruu ubb ube ubh ubn ubp ubr ubu ueb uee ueh uen uep uer uhb uhe uhh uhp uhr uhu un- unb une unh unn unp unr unu up- upb upe uph upn upp upr upu ur- urb ure urn urp urr uru uue uun uur uuu