b-p bbb bbe bbh bbi bbn bbo bbp bbs be- beb bee beh bei ben beo bep bes bhb bhe bhh bhi bho bhp bhs bi- bib bie bih bii bin bio bip bis bnb bne bni bnn bno bnp bns bob boe boh boi bon boo bop bos bpb bpe bph bpi bpn bpo bpp bps bsb bse bsh bsi bsn bso bsp bss ebb ebe ebh ebi ebn ebo ebp ebs eeb eee een eeo eep ees ehb ehe ehh ehi ehn eho ehp ehs eib eie eii ein eio eip eis en- enb ene enh eni enn eno enp ens eo- eob eoe eoh eoi eon eoo eop eos ep- epb epe eph epi epn epo epp eps es- esb ese esh esi esn eso esp ess h-i hbb hbe hbh hbi hbn hbo hbp hbs he- heb hee heh hei hen heo hep hes hhb hhe hhh hhi hhn hho hhp hhs hib hie hih hii hin hio hip his hnb hne hnh hnn hno hns hob hoe hoh hoi hon hoo hop hos hpb hpe hph hpi hpn hpo hpp hps hsb hse hsh hsi hsn hsp hss ibb ibe ibh ibi ibn ibo ibp ibs ie- iee iei ien iep ies ihb ihe ihh ihi ihn iho ihp ihs iib iie iih iii iin iio iip iis in- inb ine inh ini inn ino inp ins io- iob ioe ioh ioi ion ioo iop ios ipb ipe ipi ipn ipo ipp ips is- isb ise ish isi isn iso isp iss n-i nbb nbe nbi nbn nbo nbp nbs ne- neb nee neh nei nen neo nep nes nhb nhe nhh nhi nhn nhp nhs nib nie nih nii nin nio nip nis nnb nne nnh nni nnn nno nnp nns no- nob noe noh noi non noo nop nos npb npe nph npi npn npo npp nps nsb nse nsh nsi nsn nso nsp nss o-i ob- obb obe obh obi obn obo obp obs oeb oee oeh oei oen oeo oep oes ohe ohh ohi ohn oho ohp ohs oib oie oii oin oio oip ois on- onb one onh oni onn ono onp ons oo- oob ooh ooi oon ooo oop oos op- opb ope oph opi opn opo opp ops os- osb ose osh osi osn oso osp oss p-p pbb pbe pbi pbn pbo pbp pbs peb pee peh pei pen peo pep pes phb phe phi phn pho php phs pib pie pih pii pin pio pip pis pn- pnb pne pnh pni pnn pno pnp pns pob poe poh poi pon poo pop pos ppb ppe pph ppi ppn ppo ppp pps ps- psb pse psh psi psn pso psp pss sbb sbe sbh sbi sbn sbo sbp sbs se- seb see seh sei sen seo sep ses sh- shb she shh shi shn sho shp shs sib sie sih sii sin sio sip sis snb sne sni snn sno snp sns sob soe soh soi son soo sop sos spb spe sph spi spn spo spp sps ss- ssb sse ssh ssi ssn sso ssp sss