-er eee eeo eep eer ehe ehh ehi eho ehp ehr eie eii eio eip eir eo- eoe eoh eoi eoo eop eor ep- epe eph epi epo epp epr ere erh eri ero erp err h-i he- hee heh hei heo hep her hhe hhh hhi hho hhp hhr hie hih hii hio hip hir hoe hoh hoi hoo hop hor hpe hph hpi hpo hpp hpr hr- hre hrh hri hro hrp hrr ie- iee iei iep ier ihe ihh ihi iho ihp ihr iie iih iii iio iip iir io- ioe ioh ioi ioo iop ior ipe ipi ipo ipp ipr ir- ire iri iro irp irr o-i oee oeh oei oeo oep oer ohe ohh ohi oho ohp ohr oie oii oio oip oir oo- ooh ooi ooo oop oor op- ope oph opi opo opp opr or- ore orh ori oro orp orr p-p pee peh pei peo pep per phe phi pho php phr pie pih pii pio pip pir poe poh poi poo pop por ppe pph ppi ppo ppp ppr pre prh pri pro prp prr re- ree reh rei reo rep rer rh- rhe rhh rhi rho rhp rhr rie rih rii rio rip rir roe roh roi roo rop ror rpe rph rpi rpo rpp rpr rrh rri rrp rrr