h-i hhh hhi hhn hho hhp hhr hhs hih hii hin hio hip hir his hnh hnn hno hns hoh hoi hon hoo hop hor hos hph hpi hpn hpo hpp hpr hps hr- hrh hri hrn hro hrp hrr hrs hsh hsi hsn hsp hsr hss ihh ihi ihn iho ihp ihr ihs iih iii iin iio iip iir iis in- inh ini inn ino inp inr ins io- ioh ioi ion ioo iop ior ios ipi ipn ipo ipp ipr ips ir- iri irn iro irp irr irs is- ish isi isn iso isp isr iss n-i nhh nhi nhn nhp nhr nhs nih nii nin nio nip nir nis nnh nni nnn nno nnp nns no- noh noi non noo nop nor nos nph npi npn npo npp npr nps nri nrn nro nrp nrr nrs nsh nsi nsn nso nsp nsr nss o-i ohh ohi ohn oho ohp ohr ohs oii oin oio oip oir ois on- onh oni onn ono onp onr ons oo- ooh ooi oon ooo oop oor oos op- oph opi opn opo opp opr ops or- orh ori orn oro orp orr ors os- osh osi osn oso osp osr oss p-p phi phn pho php phr phs pih pii pin pio pip pir pis pn- pnh pni pnn pno pnp pnr pns poh poi pon poo pop por pos pph ppi ppn ppo ppp ppr pps prh pri prn pro prp prr prs ps- psh psi psn pso psp psr pss rh- rhh rhi rhn rho rhp rhr rhs rih rii rin rio rip rir ris rnh rni rnn rno rnp rnr rns roh roi ron roo rop ror ros rph rpi rpn rpo rpp rpr rps rrh rri rrn rrp rrr rrs rsh rsi rsn rso rsp rsr rss sh- shh shi shn sho shp shr shs sih sii sin sio sip sir sis sni snn sno snp snr sns soh soi son soo sop sor sos sph spi spn spo spp spr sps sr- srh sri srn sro srp srr srs ss- ssh ssi ssn sso ssp ssr sss