-er b-p bbb bbe bbg bbh bbk bbo bbp bbr be- beb bee beg beh bek beo bep ber bgb bge bgg bgh bgk bgo bgp bgr bhb bhe bhg bhh bhk bho bhp bhr bkb bke bkg bkk bko bkp bkr bob boe bog boh bok boo bop bor bpb bpe bpg bph bpo bpp bpr brb bre brg brh brk bro brp brr ebb ebe ebg ebh ebk ebo ebp ebr eeb eee eeg eek eeo eep eer egb ege egg egh ego egp egr ehb ehe ehg ehh eho ehp ehr ekb eke ekg ekh eko ekp ekr eo- eob eoe eog eoh eok eoo eop eor ep- epb epe epg eph epo epp epr erb ere erg erh erk ero erp err g-p gbe gbg gbh gbk gbo gbp gbr ge- geb gee geg geh gek geo gep ger ggb ggg ggh ggo ggp ggr ghb ghe ghg ghh gho ghp ghr gkb gkh gko gkp gob goe gog goh gok goo gop gor gpb gpe gpg gph gpk gpo gpp gpr grb gre grg grh grk gro grp grr hbb hbe hbg hbh hbk hbo hbp hbr he- heb hee heg heh hek heo hep her hgb hge hgg hgh hgk hgo hgp hgr hhb hhe hhg hhh hhk hho hhp hhr hkb hkg hkh hkk hko hkp hkr hob hoe hog hoh hok hoo hop hor hpb hpe hpg hph hpk hpo hpp hpr hr- hrb hre hrg hrh hrk hro hrp hrr kbb kbe kbh kbk kbo kbp kbr ke- keb kee keg keh kek keo kep ker kgb kgh kgo kgp khe khh khk kho khr kkb kke kkh kkk kkp kkr kob koe kog koh kok koo kop kor kpe kph kpk kpo kpp kpr krg krk kro krp krr ob- obb obe obg obh obk obo obp obr oeb oee oeg oeh oeo oep oer oge ogg ogh ogo ogp ohe ohg ohh oho ohp ohr okb oke okg okk oko okp okr oo- oob oog ooh ook ooo oop oor op- opb ope opg oph opk opo opp opr or- orb ore org orh ork oro orp orr p-p pbb pbe pbg pbk pbo pbp pbr peb pee peg peh pek peo pep per pgb pge pgg pgh pgk pgo pgp pgr phb phe phg phk pho php phr pkb pke pkg pko pkp pkr pob poe pog poh pok poo pop por ppb ppe ppg pph ppk ppo ppp ppr prb pre prg prh prk pro prp prr rbb rbe rbg rbh rbk rbo rbp rbr re- reb ree reg reh rek reo rep rer rgb rge rgg rgh rgk rgo rgp rgr rh- rhb rhe rhg rhh rho rhp rhr rkb rke rkg rkk rko rkp rob roe rog roh rok roo rop ror rpb rpe rpg rph rpk rpo rpp rpr rrb rrg rrh rrk rrp rrr

bbbb bbeb bbpr bbrg bebb bebe bebo beeb beeg beek beep beer begg bego behr beke beko beo- beok beor bepo bere berg berk bero berr bher bhog bhor bkpg bkpr bobb bobe bobo boee boeo boep boer boge bogg bogh bogo boho bohr boke boko boob booe boog booh book boop boor bope bopp bor- bore borg borh bork boro borr bpoe breb bree breg brek breo brep brer brkb brob broe brog broh brok broo bror brrr ebbo ebbr eber eboe eboo ebor ebpo ebro eeee eeke eerg eero egbe egee eger eggb egge eggh eggo eggp eghe eghh ego- egor egpb egpe egph egpo egre eheh eher ehre ekeb ekek eker ekho ekpe ekpo eore epee eper eph- epor eppo eppp eprb epro eprp erbb erbe ereb erer erg- ergg ergh ergo erke erob eroe eroo erpe erre erro gbbo gebe geek geep geer gege gegg gego geko geo- geog gepe gerb gere gero gggg gghg ggpo ghee gheg gkrp gobe gobo goer gogh gogo gohb goke goog gook goop goor gope gopo gorb gore gorg goro gorp gorr gper gpgp gprp grbr greb gree greg grep grob grog groh grok groo grop gror grrr hebb hebe hebo hebr heeb heeg heek heep heer hege hegg hegh hego hehe heho heke heor hepe hepp herb here herg herk hero herp herr hhgg hhhh hkpo hobe hobo hoek hoer hoge hogg hogh hogo hohe hoho hoke hoko hooe hook hoop hoor hope hopo hopp hore horg hork horo horr hpgp hppe hree hrob hrpp kbbb kbbe kbbg kbbk kbbo kbbr kbeb kbee kbeh kbek kbeo kber kbgb kbge kbgg kbgh kbgo kbgr kbhb kbhe kbhh kbhp kbhr kbkb kbkg kbkk kbko kbkr kbob kboe kbok kboo kbpe kbpg kbpk kbpo kbpr kbrb kbre kbrg kbrh kbrk kbro kebb kebe kebr keeh keek keep keer kege kegg kegh kegk kegr kehk kehr kekb keke keko keok kep- kepe keph ker- kerb kere kerk kero kerp kerr kgbb kgbr kgeb kgeo kggg kggo kggr kghp kghr kgoe kgor kgpe kgpg kgpr kgrb kgre kgrg kgrk kgro kgrr khbr kheb khep kher khge khgg khhg khhk khho khke khkk khkr khob khoe khok khop khor khpe khpr khrk khro khrr kkbb kkbe kkbg kkbo kkbr kkeg kkgb kkgo kkgr kkhb kkhh kkhk kkhr kkkk kkob kkoh kkoo kkor kkpk kkrb kkre kkrh kkrk kkro kkrr kobb kobe kobk kobo kobr kogb koge kogg kogh kogo kohh koho kohr kokb koke kokh kokk koko kokp kokr koob koog kook kooo koop koor kopb kope koph kopp kopr korb kore korg kork koro korr kpbb kpbe kpbg kpbr kpek kper kpgb kpge kpgg kpgr kphp kphr kpke kpkk kpkr kpob kpoe kpok kpoo kpop kppk kppo kppp kppr kprb kpre kprg kprh kprk kpro kprp kprr krbb krbe krbg krbk krbr kreb kree kreh krek kreo krhp krke krkh krkk krko krkr krob kroe krog kroh krok kroo krop kror krph krpr krrb krre krrg krrk krro krrr o-eo obbo ober obkb oboe obok obor obre obrh obro oegb oere ogb ogbe ogee oger ogge ogog ogre ogro ohbe ohee oher ohgr