-er -ey b-p bbb bbe bbh bbk bbo bbp bbr bbs bby be- beb bee beh bek beo bep ber bes bey bhb bhe bhh bhk bho bhp bhr bhs bkb bke bkk bko bkp bkr bks bob boe boh bok boo bop bor bos boy bpb bpe bph bpo bpp bpr bps bpy brb bre brh brk bro brp brr brs bry bsb bse bsh bsk bso bsp bsr bss bsy by- bye byh byk byo byp byr bys ebb ebe ebh ebk ebo ebp ebr ebs eby eeb eee eek eeo eep eer ees eey ehb ehe ehh eho ehp ehr ehs ekb eke ekh eko ekp ekr eks eky eo- eob eoe eoh eok eoo eop eor eos ep- epb epe eph epo epp epr eps erb ere erh erk ero erp err ers ery es- esb ese esh esk eso esp esr ess esy eye eyo eyp eyr eys hbb hbe hbh hbk hbo hbp hbr hbs hby he- heb hee heh hek heo hep her hes hey hhb hhe hhh hhk hho hhp hhr hhs hhy hkb hkh hkk hko hkp hkr hks hob hoe hoh hok hoo hop hor hos hoy hpb hpe hph hpk hpo hpp hpr hps hpy hr- hrb hre hrh hrk hro hrp hrr hrs hsb hse hsh hsk hsp hsr hss hsy hy- hyb hye hyh hyo hyp hyr hys hyy kbb kbe kbh kbk kbo kbp kbr kbs ke- keb kee keh kek keo kep ker kes key khe khh khk kho khr khs kkb kke kkh kkk kkp kkr kks kky kob koe koh kok koo kop kor kos koy kpe kph kpk kpo kpp kpr kps krk kro krp krr krs kry ksb kse ksh ksk kso ksp ksr kss kye kyo kyp kyr kys ob- obb obe obh obk obo obp obr obs oby oeb oee oeh oeo oep oer oes oey ohe ohh oho ohp ohr ohs okb oke okk oko okp okr oks oo- oob ooh ook ooo oop oor oos op- opb ope oph opk opo opp opr ops opy or- orb ore orh ork oro orp orr ors ory os- osb ose osh osk oso osp osr oss oye oyo oys p-p pbb pbe pbk pbo pbp pbr pbs pby peb pee peh pek peo pep per pes pey phb phe phk pho php phr phs phy pkb pke pko pkp pkr pks pky pob poe poh pok poo pop por pos poy ppb ppe pph ppk ppo ppp ppr pps prb pre prh prk pro prp prr prs pry ps- psb pse psh psk pso psp psr pss psy py- pyb pye pyk pyo pyr pys rbb rbe rbh rbk rbo rbp rbr rbs re- reb ree reh rek reo rep rer res rey rh- rhb rhe rhh rho rhp rhr rhs rkb rke rkk rko rkp rks rky rob roe roh rok roo rop ror ros roy rpb rpe rph rpk rpo rpp rpr rps rrb rrh rrk rrp rrr rrs rsb rse rsh rsk rso rsp rsr rss ry- rye ryk ryo ryr rys ryy sbb sbe sbh sbk sbo sbp sbr sbs sby se- seb see seh sek seo sep ser ses sey sh- shb she shh shk sho shp shr shs shy sk- skb ske skh skk sko skp skr sks sky sob soe soh sok soo sop sor sos soy spb spe sph spk spo spp spr sps spy sr- srb sre srh srk sro srp srr srs sry ss- ssb sse ssh ssk sso ssp ssr sss sy- syb sye syh syk syp syr sys ybe ybp ybr ybs yby yeb yee yeh yek yeo yep yer yes yey yhe yhs ykk yob yoe yok yoo yop yor yos yoy ypo yps yre yro yrp yrs ysb yse ysk yso ysp ysr yss ysy yyb yye yys yyy