-er ddd dde ddh ddk ddn ddo ddp ddr de- ded dee deh dek den deo dep der dh- dhd dhe dhh dhk dho dhp dhr dke dkk dko dkp dkr dnd dne dnh dnk dnn dno dnp dnr dod doe doh dok don doo dop dor dpd dpe dph dpk dpn dpo dpp dpr drd dre drk drn dro drp drr ed- edd ede edh edk edn edo edp edr eed eee eek een eeo eep eer ehd ehe ehh ehn eho ehp ehr ekd eke ekh eko ekp ekr en- end ene enh enk enn eno enp enr eo- eod eoe eoh eok eon eoo eop eor ep- epd epe eph epn epo epp epr erd ere erh erk ern ero erp err hdd hde hdh hdk hdn hdo hdp hdr he- hed hee heh hek hen heo hep her hhd hhe hhh hhk hhn hho hhp hhr hkd hkh hkk hkn hko hkp hkr hnd hne hnh hnk hnn hno hod hoe hoh hok hon hoo hop hor hpd hpe hph hpk hpn hpo hpp hpr hr- hrd hre hrh hrk hrn hro hrp hrr kde kdh kdk kdo kdp kdr ke- ked kee keh kek ken keo kep ker khe khh khk khn kho khr kke kkh kkk kkn kkp kkr kn- knd kne knk knn kno knp knr kod koe koh kok kon koo kop kor kpd kpe kph kpk kpn kpo kpp kpr krd krk krn kro krp krr ndd nde ndh ndk ndn ndo ndp ndr ne- ned nee neh nek nen neo nep ner nhd nhe nhh nhk nhn nhp nhr nke nkk nkn nko nkp nkr nne nnh nnk nnn nno nnp no- nod noe noh nok non noo nop nor npd npe nph npn npo npp npr nrd nre nrk nrn nro nrp nrr odd ode odh odn odo odp odr oed oee oeh oen oeo oep oer ohd ohe ohh ohn oho ohp ohr okd oke okk oko okp okr on- ond one onh onk onn ono onp onr oo- ood ooh ook oon ooo oop oor op- opd ope oph opk opn opo opp opr or- ord ore orh ork orn oro orp orr p-p pdd pde pdh pdk pdn pdo pdp pdr ped pee peh pek pen peo pep per phd phe phk phn pho php phr pkd pke pkn pko pkp pkr pn- pnd pne pnh pnk pnn pno pnp pnr pod poe poh pok pon poo pop por ppd ppe pph ppk ppn ppo ppp ppr prd pre prh prk prn pro prp prr rdd rde rdh rdn rdo rdp rdr re- red ree reh rek ren reo rep rer rh- rhd rhe rhh rhn rho rhp rhr rke rkk rko rkp rnd rnh rnn rno rnp rnr rod roe roh rok ron roo rop ror rpd rpe rph rpk rpn rpo rpp rpr rrd rrh rrk rrn rrp rrr