b-p bbb bbe bbh bbk bbn bbo bbp be- beb bee beh bek ben beo bep bhb bhe bhh bhk bho bhp bkb bke bkk bkn bko bkp bnb bne bnk bnn bno bnp bob boe boh bok bon boo bop bpb bpe bph bpn bpo bpp ebb ebe ebh ebk ebn ebo ebp eeb eee eek een eeo eep ehb ehe ehh ehn eho ehp ekb eke ekh eko ekp en- enb ene enh enk enn eno enp eo- eob eoe eoh eok eon eoo eop ep- epb epe eph epn epo epp hbb hbe hbh hbk hbn hbo hbp he- heb hee heh hek hen heo hep hhb hhe hhh hhk hhn hho hhp hkb hkh hkk hkn hko hkp hnb hne hnh hnk hnn hno hob hoe hoh hok hon hoo hop hpb hpe hph hpk hpn hpo hpp kbb kbe kbh kbk kbn kbo kbp ke- keb kee keh kek ken keo kep khe khh khk khn kho kkb kke kkh kkk kkn kkp kn- kne knk knn kno knp kob koe koh kok kon koo kop kpe kph kpk kpn kpo kpp nbb nbe nbk nbn nbo nbp ne- neb nee neh nek nen neo nep nhb nhe nhh nhk nhn nhp nke nkk nkn nko nkp nnb nne nnh nnk nnn nno nnp no- nob noe noh nok non noo nop npb npe nph npn npo npp ob- obb obe obh obk obn obo obp oeb oee oeh oen oeo oep ohe ohh ohn oho ohp okb oke okk oko okp on- onb one onh onk onn ono onp oo- oob ooh ook oon ooo oop op- opb ope oph opk opn opo opp p-p pbb pbe pbk pbn pbo pbp peb pee peh pek pen peo pep phb phe phk phn pho php pkb pke pkn pko pkp pn- pnb pne pnh pnk pnn pno pnp pob poe poh pok pon poo pop ppb ppe pph ppk ppn ppo ppp