-er -th eee eek eeo eep eer eet ehe ehh ehi eho ehp ehr eht eie eii eik eio eip eir eit eke ekh eki eko ekp ekr ekt eo- eoe eoh eoi eok eoo eop eor eot ep- epe eph epi epo epp epr ept ere erh eri erk ero erp err ert ete eth eti etk eto etp etr ett h-i he- hee heh hei hek heo hep her het hhe hhh hhi hhk hho hhp hhr hht hie hih hii hik hio hip hir hit hkh hki hkk hko hkp hkr hkt hoe hoh hoi hok hoo hop hor hot hpe hph hpi hpk hpo hpp hpr hpt hr- hre hrh hri hrk hro hrp hrr hrt hte hth hti htk hto htp htr htt ie- iee iei iek iep ier iet ihe ihh ihi ihk iho ihp ihr iht iie iih iii iio iip iir iit ike iki ikk iko ikr ikt io- ioe ioh ioi ioo iop ior iot ipe ipi ipo ipp ipr ipt ir- ire iri irk iro irp irr irt ite ith iti itk ito itp itt k-t ke- kee keh kei kek keo kep ker ket khe khh khi khk kho khr kie kih kii kik kio kip kir kit kke kkh kki kkk kkp kkr kkt koe koh koi kok koo kop kor kot kpe kph kpi kpk kpo kpp kpr kpt kri krk kro krp krr krt kte kth ktk kto ktp ktr ktt o-i oee oeh oei oeo oep oer oet ohe ohh ohi oho ohp ohr oht oie oii oik oio oip oir oit oke oki okk oko okp okr oo- ooh ooi ook ooo oop oor oot op- ope oph opi opk opo opp opr opt or- ore orh ori ork oro orp orr ort ot- ote oth oti otk oto otp otr ott p-p pee peh pei pek peo pep per pet phe phi phk pho php phr pht pie pih pii pik pio pip pir pit pke pki pko pkp pkr pkt poe poh poi pok poo pop por pot ppe pph ppi ppk ppo ppp ppr ppt pre prh pri prk pro prp prr prt pt- pte pth pti ptk pto ptp ptr ptt re- ree reh rei rek reo rep rer ret rh- rhe rhh rhi rho rhp rhr rht rie rih rii rik rio rip rir rit rke rkk rko rkp rkt roe roh roi rok roo rop ror rot rpe rph rpi rpk rpo rpp rpr rpt rrh rri rrk rrp rrr rrt rte rti rtk rto rtp rtr rtt te- tee teh tei tek teo tep ter tet th- the thh thi thk tho thp thr tht tie tih tii tik tio tip tir tit tke tkk tko tkp tkr tkt to- toe toh toi tok too top tor tot tpe tph tpi tpk tpo tpp tpr tpt tre trh tri trk tro trp trr trt tte tth tti ttk tto ttp ttr ttt