-er -ey ddd dde ddi ddk ddo ddp ddr ddy ddz de- ded dee dei dek deo dep der dey dez di- did die dii dik dio dip dir diy diz dke dki dkk dko dkp dkr dod doe doi dok doo dop dor doy doz dpd dpe dpi dpk dpo dpp dpr dpz drd dre dri drk dro drp drr dry drz dy- dyd dye dyk dyo dyp dyr dyy dzd dze dzi dzo dzp dzr ed- edd ede edi edk edo edp edr edy eed eee eek eeo eep eer eey eid eie eii eik eio eip eir ekd eke eki eko ekp ekr eky eo- eod eoe eoi eok eoo eop eor ep- epd epe epi epo epp epr epz erd ere eri erk ero erp err ery erz eyd eye eyo eyp eyr eze ezo ezr ezz i-d idd ide idi idk ido idp idr idy ie- ied iee iei iek iep ier iey iid iie iii iio iip iir ike iki ikk iko ikr io- iod ioe ioi ioo iop ior ipd ipe ipi ipo ipp ipr ipy ir- ird ire iri irk iro irp irr iry iye iyo iyr iyy ize izi izo izy izz k-z kde kdk kdo kdp kdr kdy ke- ked kee kei kek keo kep ker key kez kid kie kii kik kio kip kir kiz kke kki kkk kkp kkr kky kod koe koi kok koo kop kor koy koz kpd kpe kpi kpk kpo kpp kpr krd kri krk kro krp krr kry kyd kye kyo kyp kyr kyz kzo kzy o-i odd ode odi odo odp odr oed oee oei oeo oep oer oey oid oie oii oik oio oip oir oiz okd oke oki okk oko okp okr oo- ood ooi ook ooo oop oor op- opd ope opi opk opo opp opr opy or- ord ore ori ork oro orp orr ory orz oyd oye oyi oyo oze ozo ozz p-p pdd pde pdi pdk pdo pdp pdr pdz ped pee pei pek peo pep per pey pez pid pie pii pik pio pip pir piz pkd pke pki pko pkp pkr pky pod poe poi pok poo pop por poy poz ppd ppe ppi ppk ppo ppp ppr ppz prd pre pri prk pro prp prr pry prz py- pyd pye pyk pyo pyr pzk pzp rdd rde rdi rdo rdp rdr rdy re- red ree rei rek reo rep rer rey rez rid rie rii rik rio rip rir riy riz rke rkk rko rkp rky rkz rod roe roi rok roo rop ror roy roz rpd rpe rpi rpk rpo rpp rpr rpz rrd rri rrk rrp rrr ry- ryd rye ryk ryo ryr ryy ryz rze rzo rzy yde ydo ydy yed yee yei yek yeo yep yer yey yez yid yie yii yio yip yir yiz yki ykk yod yoe yoi yok yoo yop yor yoy ypd ypo yre yro yrp yye yyy yyz yzr yzy zed zee zek zeo zep zer zez zid zie zik zio zip zir ziz zo- zod zoe zoi zok zoo zor zpe zpi zpo zpp zpr zro zrp zzr zzy zzz