h-i hhh hhi hhn hhp hhs hih hii hin hip his hnh hnn hns hph hpi hpn hpp hps hsh hsi hsn hsp hss ihh ihi ihn ihp ihs iih iii iin iip iis in- inh ini inn inp ins ipi ipn ipp ips is- ish isi isn isp iss n-i nhh nhi nhn nhp nhs nih nii nin nip nis nnh nni nnn nnp nns nph npi npn npp nps nsh nsi nsn nsp nss p-p phi phn php phs pih pii pin pip pis pn- pnh pni pnn pnp pns pph ppi ppn ppp pps ps- psh psi psn psp pss sh- shh shi shn shp shs sih sii sin sip sis sni snn snp sns sph spi spn spp sps ss- ssh ssi ssn ssp sss