-er -th -up ddd dde ddh ddo ddp ddr ddt ddu de- ded dee deh deo dep der det deu dh- dhd dhe dhh dho dhp dhr dht dhu dod doe doh doo dop dor dot dou dpd dpe dph dpo dpp dpr dpt dpu drd dre dro drp drr drt dru dtd dte dth dto dtp dtr dtt dtu dud due duh duo dup dur dut ed- edd ede edh edo edp edr edt edu eed eee eeo eep eer eet ehd ehe ehh eho ehp ehr eht ehu eo- eod eoe eoh eoo eop eor eot eou ep- epd epe eph epo epp epr ept epu erd ere erh ero erp err ert eru etd ete eth eto etp etr ett etu eu- eud eue eup eur eut hdd hde hdh hdo hdp hdr hdt hdu he- hed hee heh heo hep her het heu hhd hhe hhh hho hhp hhr hht hhu hod hoe hoh hoo hop hor hot hou hpd hpe hph hpo hpp hpr hpt hpu hr- hrd hre hrh hro hrp hrr hrt hru htd hte hth hto htp htr htt hud hue huh huo hup hur hut huu odd ode odh odo odp odr odt odu oed oee oeh oeo oep oer oet ohd ohe ohh oho ohp ohr oht ohu oo- ood ooh ooo oop oor oot op- opd ope oph opo opp opr opt or- ord ore orh oro orp orr ort oru ot- otd ote oth oto otp otr ott otu ou- oud oue ouh ouo oup our out p-p pdd pde pdh pdo pdp pdr pdt pdu ped pee peh peo pep per pet peu phd phe pho php phr pht phu pod poe poh poo pop por pot pou ppd ppe pph ppo ppp ppr ppt ppu prd pre prh pro prp prr prt pru pt- ptd pte pth pto ptp ptr ptt ptu pud pue puh pup pur put puu rdd rde rdh rdo rdp rdr rdt rdu re- red ree reh reo rep rer ret reu rh- rhd rhe rhh rho rhp rhr rht rhu rod roe roh roo rop ror rot rou rpd rpe rph rpo rpp rpr rpt rpu rrd rrh rrp rrr rrt rru rtd rte rto rtp rtr rtt rtu rud rue ruh ruo rup rur rut ruu tdd tde tdh tdo tdp tdr tdt tdu te- ted tee teh teo tep ter tet teu th- thd the thh tho thp thr tht thu to- tod toe toh too top tor tot tou tpd tpe tph tpo tpp tpr tpt tpu trd tre trh tro trp trr trt tru ttd tte tth tto ttp ttr ttt ttu tud tue tuh tuo tup tur tut tuu udd ude udo udp udr udt udu ued uee ueh uep uer uet uhd uhe uhh uho uhp uhr uht uhu uod uoe uoo uop uor uot up- upd upe uph upo upp upr upt upu ur- urd ure uro urp urr urt uru utd ute uth uto utp utr utt utu uue uur uut uuu