b-p bbb bbe bbh bbk bbn bbo bbp bbs be- beb bee beh bek ben beo bep bes bhb bhe bhh bhk bho bhp bhs bkb bke bkk bkn bko bkp bks bnb bne bnk bnn bno bnp bns bob boe boh bok bon boo bop bos bpb bpe bph bpn bpo bpp bps bsb bse bsh bsk bsn bso bsp bss ebb ebe ebh ebk ebn ebo ebp ebs eeb eee eek een eeo eep ees ehb ehe ehh ehn eho ehp ehs ekb eke ekh eko ekp eks en- enb ene enh enk enn eno enp ens eo- eob eoe eoh eok eon eoo eop eos ep- epb epe eph epn epo epp eps es- esb ese esh esk esn eso esp ess hbb hbe hbh hbk hbn hbo hbp hbs he- heb hee heh hek hen heo hep hes hhb hhe hhh hhk hhn hho hhp hhs hkb hkh hkk hkn hko hkp hks hnb hne hnh hnk hnn hno hns hob hoe hoh hok hon hoo hop hos hpb hpe hph hpk hpn hpo hpp hps hsb hse hsh hsk hsn hsp hss kbb kbe kbh kbk kbn kbo kbp kbs ke- keb kee keh kek ken keo kep kes khe khh khk khn kho khs kkb kke kkh kkk kkn kkp kks kn- kne knk knn kno knp kob koe koh kok kon koo kop kos kpe kph kpk kpn kpo kpp kps ksb kse ksh ksk ksn kso ksp kss nbb nbe nbk nbn nbo nbp nbs ne- neb nee neh nek nen neo nep nes nhb nhe nhh nhk nhn nhp nhs nke nkk nkn nko nkp nks nnb nne nnh nnk nnn nno nnp nns no- nob noe noh nok non noo nop nos npb npe nph npn npo npp nps nsb nse nsh nsk nsn nso nsp nss ob- obb obe obh obk obn obo obp obs oeb oee oeh oen oeo oep oes ohe ohh ohn oho ohp ohs okb oke okk oko okp oks on- onb one onh onk onn ono onp ons oo- oob ooh ook oon ooo oop oos op- opb ope oph opk opn opo opp ops os- osb ose osh osk osn oso osp oss p-p pbb pbe pbk pbn pbo pbp pbs peb pee peh pek pen peo pep pes phb phe phk phn pho php phs pkb pke pkn pko pkp pks pn- pnb pne pnh pnk pnn pno pnp pns pob poe poh pok pon poo pop pos ppb ppe pph ppk ppn ppo ppp pps ps- psb pse psh psk psn pso psp pss sbb sbe sbh sbk sbn sbo sbp sbs se- seb see seh sek sen seo sep ses sh- shb she shh shk shn sho shp shs sk- skb ske skh skk sko skp sks snb sne snk snn sno snp sns sob soe soh sok son soo sop sos spb spe sph spk spn spo spp sps ss- ssb sse ssh ssk ssn sso ssp sss