-er -up b-p b-u bbb bbe bbh bbn bbo bbp bbr bbu be- beb bee beh ben beo bep ber beu bhb bhe bhh bho bhp bhr bhu bnb bne bnn bno bnp bnr bnu bob boe boh bon boo bop bor bou bpb bpe bph bpn bpo bpp bpr bpu brb bre brh brn bro brp brr bru bub bue buh bun buo bup bur buu ebb ebe ebh ebn ebo ebp ebr ebu eeb eee een eeo eep eer ehb ehe ehh ehn eho ehp ehr ehu en- enb ene enh enn eno enp enr enu eo- eob eoe eoh eon eoo eop eor eou ep- epb epe eph epn epo epp epr epu erb ere erh ern ero erp err eru eu- eub eue eun eup eur hbb hbe hbh hbn hbo hbp hbr hbu he- heb hee heh hen heo hep her heu hhb hhe hhh hhn hho hhp hhr hhu hnb hne hnh hnn hno hnu hob hoe hoh hon hoo hop hor hou hpb hpe hph hpn hpo hpp hpr hpu hr- hrb hre hrh hrn hro hrp hrr hru hub hue huh hun huo hup hur huu nbb nbe nbn nbo nbp nbr nbu ne- neb nee neh nen neo nep ner neu nhb nhe nhh nhn nhp nhr nhu nnb nne nnh nnn nno nnp nnu no- nob noe noh non noo nop nor nou npb npe nph npn npo npp npr npu nrb nre nrn nro nrp nrr nru nub nue nuh nun nuo nup nur nuu ob- obb obe obh obn obo obp obr obu oeb oee oeh oen oeo oep oer ohe ohh ohn oho ohp ohr ohu on- onb one onh onn ono onp onr onu oo- oob ooh oon ooo oop oor op- opb ope oph opn opo opp opr or- orb ore orh orn oro orp orr oru ou- oue ouh oun ouo oup our p-p pbb pbe pbn pbo pbp pbr pbu peb pee peh pen peo pep per peu phb phe phn pho php phr phu pn- pnb pne pnh pnn pno pnp pnr pnu pob poe poh pon poo pop por pou ppb ppe pph ppn ppo ppp ppr ppu prb pre prh prn pro prp prr pru pub pue puh pun pup pur puu rbb rbe rbh rbn rbo rbp rbr rbu re- reb ree reh ren reo rep rer reu rh- rhb rhe rhh rhn rho rhp rhr rhu rnb rnh rnn rno rnp rnr rnu rob roe roh ron roo rop ror rou rpb rpe rph rpn rpo rpp rpr rpu rrb rrh rrn rrp rrr rru rub rue ruh run ruo rup rur ruu ubb ube ubh ubn ubo ubp ubr ubu ueb uee ueh uen uep uer uhb uhe uhh uho uhp uhr uhu un- unb une unh unn uno unp unr unu uob uoe uon uoo uop uor up- upb upe uph upn upo upp upr upu ur- urb ure urn uro urp urr uru uue uun uur uuu