-er -ji ddd dde ddi ddk ddp ddr dds de- ded dee dei dej dek dep der des di- did die dii dik dip dir dis dj- djd dje dji djk djp djs dke dki dkk dkp dkr dks dpd dpe dpi dpk dpp dpr dps drd dre dri drj drk drp drr drs dsd dse dsi dsj dsk dsp dsr dss ed- edd ede edi edj edk edp edr eds eed eee eek eep eer ees eid eie eii eij eik eip eir eis ejd eji ejp ekd eke eki ekp ekr eks ep- epd epe epi epp epr eps erd ere eri erk erp err ers es- esd ese esi esk esp esr ess i-d idd ide idi idk idp idr ids ie- ied iee iei iej iek iep ier ies iid iie iii iij iip iir iis ije iji ijk ijs ike iki ikk ikr iks ipd ipe ipi ipp ipr ips ir- ird ire iri irj irk irp irr irs is- isd ise isi isj isk isp isr iss j-d j-i jde jdi jdp jdr jds jed jee jei jej jek jep jer jes jie jii jij jip jir jis jjj jjk jjp jjr jjs jkk jkp jkr jks jpe jpi jpj jpp jpr jps jri jrk jrp jrr jrs jsd jse jsi jsj jsk jsp jsr jss kde kdk kdp kdr kds ke- ked kee kei kek kep ker kes kid kie kii kij kik kip kir kis kje kji kjr kjs kke kki kkk kkp kkr kks kpd kpe kpi kpk kpp kpr kps krd kri krk krp krr krs ksd kse ksi ksk ksp ksr kss p-p pdd pde pdi pdk pdp pdr pds ped pee pei pek pep per pes pid pie pii pij pik pip pir pis pjd pji pjp pjs pkd pke pki pkp pkr pks ppd ppe ppi ppj ppk ppp ppr pps prd pre pri prk prp prr prs ps- psd pse psi psj psk psp psr pss rdd rde rdi rdj rdp rdr rds re- red ree rei rek rep rer res rid rie rii rik rip rir ris rjk rjp rjr rke rkk rkp rks rpd rpe rpi rpk rpp rpr rps rrd rri rrk rrp rrr rrs rsd rse rsi rsj rsk rsp rsr rss sdd sde sdi sdj sdk sdp sdr sds se- sed see sei sej sek sep ser ses sid sie sii sij sik sip sir sis sjd sje sji sjj sjk sjp sjr sjs sk- skd ske ski skj skk skp skr sks spd spe spi spk spp spr sps sr- srd sre sri srj srk srp srr srs ss- ssd sse ssi ssj ssk ssp ssr sss