-er eee eek een eeo eep eer ehe ehh ehi ehn eho ehp ehr eie eii eik ein eio eip eir eke ekh eki eko ekp ekr en- ene enh eni enk enn eno enp enr eo- eoe eoh eoi eok eon eoo eop eor ep- epe eph epi epn epo epp epr ere erh eri erk ern ero erp err h-i he- hee heh hei hek hen heo hep her hhe hhh hhi hhk hhn hho hhp hhr hie hih hii hik hin hio hip hir hkh hki hkk hkn hko hkp hkr hne hnh hnk hnn hno hoe hoh hoi hok hon hoo hop hor hpe hph hpi hpk hpn hpo hpp hpr hr- hre hrh hri hrk hrn hro hrp hrr ie- iee iei iek ien iep ier ihe ihh ihi ihk ihn iho ihp ihr iie iih iii iin iio iip iir ike iki ikk iko ikr in- ine inh ini ink inn ino inp inr io- ioe ioh ioi ion ioo iop ior ipe ipi ipn ipo ipp ipr ir- ire iri irk irn iro irp irr ke- kee keh kei kek ken keo kep ker khe khh khi khk khn kho khr kie kih kii kik kin kio kip kir kke kkh kki kkk kkn kkp kkr kn- kne kni knk knn kno knp knr koe koh koi kok kon koo kop kor kpe kph kpi kpk kpn kpo kpp kpr kri krk krn kro krp krr n-i ne- nee neh nei nek nen neo nep ner nhe nhh nhi nhk nhn nhp nhr nie nih nii nik nin nio nip nir nke nki nkk nkn nko nkp nkr nne nnh nni nnk nnn nno nnp no- noe noh noi nok non noo nop nor npe nph npi npn npo npp npr nre nri nrk nrn nro nrp nrr o-i oee oeh oei oen oeo oep oer ohe ohh ohi ohn oho ohp ohr oie oii oik oin oio oip oir oke oki okk oko okp okr on- one onh oni onk onn ono onp onr oo- ooh ooi ook oon ooo oop oor op- ope oph opi opk opn opo opp opr or- ore orh ori ork orn oro orp orr p-p pee peh pei pek pen peo pep per phe phi phk phn pho php phr pie pih pii pik pin pio pip pir pke pki pkn pko pkp pkr pn- pne pnh pni pnk pnn pno pnp pnr poe poh poi pok pon poo pop por ppe pph ppi ppk ppn ppo ppp ppr pre prh pri prk prn pro prp prr re- ree reh rei rek ren reo rep rer rh- rhe rhh rhi rhn rho rhp rhr rie rih rii rik rin rio rip rir rke rkk rko rkp rnh rni rnn rno rnp rnr roe roh roi rok ron roo rop ror rpe rph rpi rpk rpn rpo rpp rpr rrh rri rrk rrn rrp rrr