-er eee eek eep eer ehe ehh ehi ehp ehr eie eii eik eip eir eke ekh eki ekp ekr ep- epe eph epi epp epr ere erh eri erk erp err h-i he- hee heh hei hek hep her hhe hhh hhi hhk hhp hhr hie hih hii hik hip hir hkh hki hkk hkp hkr hpe hph hpi hpk hpp hpr hr- hre hrh hri hrk hrp hrr ie- iee iei iek iep ier ihe ihh ihi ihk ihp ihr iie iih iii iip iir ike iki ikk ikr ipe ipi ipp ipr ir- ire iri irk irp irr ke- kee keh kei kek kep ker khe khh khi khk khr kie kih kii kik kip kir kke kkh kki kkk kkp kkr kpe kph kpi kpk kpp kpr kri krk krp krr p-p pee peh pei pek pep per phe phi phk php phr pie pih pii pik pip pir pke pki pkp pkr ppe pph ppi ppk ppp ppr pre prh pri prk prp prr re- ree reh rei rek rep rer rh- rhe rhh rhi rhp rhr rie rih rii rik rip rir rke rkk rkp rpe rph rpi rpk rpp rpr rrh rri rrk rrp rrr