-er ddd dde ddf ddi ddk ddo ddp ddr dds de- ded dee def dei dek deo dep der des dfd dfe dff dfi dfk dfo dfp dfr dfs di- did die dif dii dik dio dip dir dis dke dki dkk dko dkp dkr dks dod doe dof doi dok doo dop dor dos dpd dpe dpf dpi dpk dpo dpp dpr dps drd dre dri drk dro drp drr drs dsd dse dsf dsi dsk dso dsp dsr dss ed- edd ede edf edi edk edo edp edr eds eed eee eef eek eeo eep eer ees ef- efd efe eff efi efo efp efr efs eid eie eif eii eik eio eip eir eis ekd eke ekf eki eko ekp ekr eks eo- eod eoe eof eoi eok eoo eop eor eos ep- epd epe epf epi epo epp epr eps erd ere erf eri erk ero erp err ers es- esd ese esf esi esk eso esp esr ess fdd fde fdf fdi fdk fdo fdp fdr fds fed fee fef fei fek feo fep fer fes ffd ffe fff ffi ffk ffo ffp ffr ffs fid fie fif fii fik fip fir fis fkf fki fkk fkp foe fof foi fok foo fop for fos fpd fpe fpi fpk fpo fpp fpr fps frd fre frf fri frk fro frp frr frs fsd fse fsf fsi fsk fso fsp fsr fss i-d i-f idd ide idf idi idk ido idp idr ids ie- ied iee ief iei iek iep ier ies ifd ife iff ifi ifo ifp ifr ifs iid iie iif iii iio iip iir iis ike ikf iki ikk iko ikr iks io- iod ioe iof ioi ioo iop ior ios ipd ipe ipf ipi ipo ipp ipr ips ir- ird ire irf iri irk iro irp irr irs is- isd ise isf isi isk iso isp isr iss kde kdf kdk kdo kdp kdr kds ke- ked kee kef kei kek keo kep ker kes kfd kff kfi kfo kfs kid kie kif kii kik kio kip kir kis kke kki kkk kkp kkr kks kod koe kof koi kok koo kop kor kos kpd kpe kpf kpi kpk kpo kpp kpr kps krd krf kri krk kro krp krr krs ksd kse ksf ksi ksk kso ksp ksr kss o-i odd ode odf odi odo odp odr ods oed oee oef oei oeo oep oer oes of- ofd ofe off ofi ofo ofp ofr ofs oid oie oif oii oik oio oip oir ois okd oke oki okk oko okp okr oks oo- ood oof ooi ook ooo oop oor oos op- opd ope opf opi opk opo opp opr ops or- ord ore orf ori ork oro orp orr ors os- osd ose osf osi osk oso osp osr oss p-p pdd pde pdf pdi pdk pdo pdp pdr pds ped pee pef pei pek peo pep per pes pfd pfe pff pfi pfk pfo pfp pfr pfs pid pie pif pii pik pio pip pir pis pkd pke pkf pki pko pkp pkr pks pod poe pof poi pok poo pop por pos ppd ppe ppf ppi ppk ppo ppp ppr pps prd pre prf pri prk pro prp prr prs ps- psd pse psf psi psk pso psp psr pss rdd rde rdf rdi rdo rdp rdr rds re- red ree ref rei rek reo rep rer res rfd rfe rff rfi rfk rfo rfp rfr rfs rid rie rif rii rik rio rip rir ris rke rkf rkk rko rkp rks rod roe rof roi rok roo rop ror ros rpd rpe rpf rpi rpk rpo rpp rpr rps rrd rrf rri rrk rrp rrr rrs rsd rse rsf rsi rsk rso rsp rsr rss sdd sde sdf sdi sdk sdo sdp sdr sds se- sed see sef sei sek seo sep ser ses sfd sfe sff sfi sfk sfo sfp sfr sfs sid sie sif sii sik sio sip sir sis sk- skd ske skf ski skk sko skp skr sks sod soe sof soi sok soo sop sor sos spd spe spf spi spk spo spp spr sps sr- srd sre srf sri srk sro srp srr srs ss- ssd sse ssf ssi ssk sso ssp ssr sss

-ose dddd ddes ddie ddpo ddps ddre ddss dedd dede dedi dedo deed deef deek deep deer dees defe deff defi defo defs deid deie deif deip deir deis dek- deke deks deop deor deos depe depo depp depr deps der- dere derf deri derk dero derp derr ders des- dese desi desk deso desp dess dfds dfer dfoe dfrf dfri dide didi dido dids died dief diep dier dies dif- diff difs diii diis dike diki diko diop dior dios dipe dipo dipp dips dird dire dirk dirr dirs dis- disd dise disi disk diso disp diss dkid dod- dodd dode dodi dodo dods doek doer does doff doid dois doke doki doko dood doof dook doop door doos dope dopo dopp dopr dops dord dore dorf dori dork doro dorp dorr dors dose dosi dosk doso doss dper dpie dpos dprk dpsd dred dree dref drei drek dres drie drif drip drod drof drop drrs drsp dsdp dsdr dsei dsif dsip dsos dspf dsps dsri dsrp dsrr dssi dssp edde eddi eddo eddp edds ede- edei eder edes edie edif edik edip edis edod edos edss eede eeee eees eefe eeke eeks eeps eero eers eese eesi eesk efeo efes effi effs efik efke efor efsi eid- eide eidi eido eidr eied eiei eier eies eifs eike eiki eiko eiks eipo eipr eird eire eirs eisd eise eisk eiso eiss eked ekek eker ekes ekis ekki ekoi ekos ekpe ekpo eksi eode eoes eoir eois eore eori epee eper epes epi- epid epie epik epip epis epod epor epos eppo eppp epps epro eprp eprs epsd epsf epsi epsp epss erde erdf erdi erds ered erei erer eres erfs erie erik erio eris erke erki