-er -th eee eek eeo eep eer eet ehe ehh eho ehp ehr eht eke ekh eko ekp ekr ekt eo- eoe eoh eok eoo eop eor eot ep- epe eph epo epp epr ept ere erh erk ero erp err ert ete eth etk eto etp etr ett he- hee heh hek heo hep her het hhe hhh hhk hho hhp hhr hht hkh hkk hko hkp hkr hkt hoe hoh hok hoo hop hor hot hpe hph hpk hpo hpp hpr hpt hr- hre hrh hrk hro hrp hrr hrt hte hth htk hto htp htr htt k-t ke- kee keh kek keo kep ker ket khe khh khk kho khr kke kkh kkk kkp kkr kkt koe koh kok koo kop kor kot kpe kph kpk kpo kpp kpr kpt krk kro krp krr krt kte kth ktk kto ktp ktr ktt oee oeh oeo oep oer oet ohe ohh oho ohp ohr oht oke okk oko okp okr oo- ooh ook ooo oop oor oot op- ope oph opk opo opp opr opt or- ore orh ork oro orp orr ort ot- ote oth otk oto otp otr ott p-p pee peh pek peo pep per pet phe phk pho php phr pht pke pko pkp pkr pkt poe poh pok poo pop por pot ppe pph ppk ppo ppp ppr ppt pre prh prk pro prp prr prt pt- pte pth ptk pto ptp ptr ptt re- ree reh rek reo rep rer ret rh- rhe rhh rho rhp rhr rht rke rkk rko rkp rkt roe roh rok roo rop ror rot rpe rph rpk rpo rpp rpr rpt rrh rrk rrp rrr rrt rte rtk rto rtp rtr rtt te- tee teh tek teo tep ter tet th- the thh thk tho thp thr tht tke tkk tko tkp tkr tkt to- toe toh tok too top tor tot tpe tph tpk tpo tpp tpr tpt tre trh trk tro trp trr trt tte tth ttk tto ttp ttr ttt