ddd ddi ddk ddp ddr dds di- did dii dik dip dir dis dki dkk dkp dkr dks dpd dpi dpk dpp dpr dps drd dri drk drp drr drs dsd dsi dsk dsp dsr dss i-d idd idi idk idp idr ids iid iii iip iir iis iki ikk ikr iks ipd ipi ipp ipr ips ir- ird iri irk irp irr irs is- isd isi isk isp isr iss kdk kdp kdr kds kid kii kik kip kir kis kki kkk kkp kkr kks kpd kpi kpk kpp kpr kps krd kri krk krp krr krs ksd ksi ksk ksp ksr kss p-p pdd pdi pdk pdp pdr pds pid pii pik pip pir pis pkd pki pkp pkr pks ppd ppi ppk ppp ppr pps prd pri prk prp prr prs ps- psd psi psk psp psr pss rdd rdi rdp rdr rds rid rii rik rip rir ris rkk rkp rks rpd rpi rpk rpp rpr rps rrd rri rrk rrp rrr rrs rsd rsi rsk rsp rsr rss sdd sdi sdk sdp sdr sds sid sii sik sip sir sis sk- skd ski skk skp skr sks spd spi spk spp spr sps sr- srd sri srk srp srr srs ss- ssd ssi ssk ssp ssr sss