-er -ey ddd dde ddk ddn ddo ddp ddr dds ddt ddy de- ded dee dek den deo dep der des det dey dke dkk dko dkp dkr dks dkt dnd dne dnk dnn dno dnp dnr dns dnt dny dod doe dok don doo dop dor dos dot doy dpd dpe dpk dpn dpo dpp dpr dps dpt drd dre drk drn dro drp drr drs drt dry dsd dse dsk dsn dso dsp dsr dss dst dsy dtd dte dtk dtn dto dtp dtr dts dtt dty dy- dyd dye dyk dyn dyo dyp dyr dys dyy ed- edd ede edk edn edo edp edr eds edt edy eed eee eek een eeo eep eer ees eet eey ekd eke eko ekp ekr eks ekt eky en- end ene enk enn eno enp enr ens ent eny eo- eod eoe eok eon eoo eop eor eos eot ep- epd epe epn epo epp epr eps ept erd ere erk ern ero erp err ers ert ery es- esd ese esk esn eso esp esr ess est esy etd ete etk etn eto etp etr ets ett ety eyd eye eyn eyo eyp eyr eys eyt k-t kde kdk kdo kdp kdr kds kdt kdy ke- ked kee kek ken keo kep ker kes ket key kke kkk kkn kkp kkr kks kkt kky kn- knd kne knk knn kno knp knr knt kod koe kok kon koo kop kor kos kot koy kpd kpe kpk kpn kpo kpp kpr kps kpt krd krk krn kro krp krr krs krt kry ksd kse ksk ksn kso ksp ksr kss kst kte ktk ktn kto ktp ktr kts ktt kyd kye kyn kyo kyp kyr kys kyt ndd nde ndk ndn ndo ndp ndr nds ndt ndy ne- ned nee nek nen neo nep ner nes net ney nke nkk nkn nko nkp nkr nks nkt nky nne nnk nnn nno nnp nns nnt no- nod noe nok non noo nop nor nos not noy npd npe npn npo npp npr nps npt nrd nre nrk nrn nro nrp nrr nrs nrt nry nsd nse nsk nsn nso nsp nsr nss nst nsy ntd nte ntk ntn nto ntp ntr nts ntt nyd nye nyk nyn nyo nyp nys nyt nyy odd ode odn odo odp odr ods odt oed oee oen oeo oep oer oes oet oey okd oke okk oko okp okr oks on- ond one onk onn ono onp onr ons ont ony oo- ood ook oon ooo oop oor oos oot op- opd ope opk opn opo opp opr ops opt opy or- ord ore ork orn oro orp orr ors ort ory os- osd ose osk osn oso osp osr oss ost ot- otd ote otk otn oto otp otr ots ott oyd oye oyo oys p-p pdd pde pdk pdn pdo pdp pdr pds pdt ped pee pek pen peo pep per pes pet pey pkd pke pkn pko pkp pkr pks pkt pky pn- pnd pne pnk pnn pno pnp pnr pns pnt pny pod poe pok pon poo pop por pos pot poy ppd ppe ppk ppn ppo ppp ppr pps ppt prd pre prk prn pro prp prr prs prt pry ps- psd pse psk psn pso psp psr pss pst psy pt- ptd pte ptk ptn pto ptp ptr pts ptt pty py- pyd pye pyk pyn pyo pyr pys pyt rdd rde rdn rdo rdp rdr rds rdt rdy re- red ree rek ren reo rep rer res ret rey rke rkk rko rkp rks rkt rky rnd rnn rno rnp rnr rns rnt rny rod roe rok ron roo rop ror ros rot roy rpd rpe rpk rpn rpo rpp rpr rps rpt rrd rrk rrn rrp rrr rrs rrt rsd rse rsk rsn rso rsp rsr rss rst rtd rte rtk rtn rto rtp rtr rts rtt rty ry- ryd rye ryk ryn ryo ryr rys ryy sdd sde sdk sdn sdo sdp sdr sds sdt sdy se- sed see sek sen seo sep ser ses set sey sk- skd ske skk sko skp skr sks skt sky snd sne snk snn sno snp snr sns snt sny sod soe sok son soo sop sor sos sot soy spd spe spk spn spo spp spr sps spt spy sr- srd sre srk srn sro srp srr srs srt sry ss- ssd sse ssk ssn sso ssp ssr sss sst std ste stk stn sto stp str sts stt sty sy- syd sye syk syn syp syr sys syt tdd tde tdk tdn tdo tdp tdr tds tdt tdy te- ted tee tek ten teo tep ter tes tet tey tke tkk tko tkp tkr tks tkt tky tnd tne tnk tnn tno tnp tnr tns tnt to- tod toe tok ton too top tor tos tot toy tpd tpe tpk tpn tpo tpp tpr tps tpt trd tre trk trn tro trp trr trs trt try tsd tse tsk tsn tso tsp tsr tss tst tsy ttd tte ttk ttn tto ttp ttr tts ttt tty tyd tye tyn tyo typ tyr tys tyt yde ydn ydo yds ydt ydy yed yee yek yen yeo yep yer yes yet yey ykk ykn ynd yne ynk ynn ynp yns yny yod yoe yok yon yoo yop yor yos yot yoy ypd ypo yps yre yrn yro yrp yrs yrt yse ysk yso ysp ysr yss yst ysy ytd yte ytk ytn yto ytp ytr yts ytt yye yys yyt yyy