ddd ddi ddk ddp dds ddy di- did dii dik dip dis diy dki dkk dkp dks dpd dpi dpk dpp dps dsd dsi dsk dsp dss dsy dy- dyd dyk dyp dys dyy i-d idd idi idk idp ids idy iid iii iip iis iki ikk iks ipd ipi ipp ips ipy is- isd isi isk isp iss isy iys iyy kdk kdp kds kdy kid kii kik kip kis kki kkk kkp kks kky kpd kpi kpk kpp kps ksd ksi ksk ksp kss kyd kyp kys p-p pdd pdi pdk pdp pds pid pii pik pip pis pkd pki pkp pks pky ppd ppi ppk ppp pps ps- psd psi psk psp pss psy py- pyd pyk pys sdd sdi sdk sdp sds sdy sid sii sik sip sis sk- skd ski skk skp sks sky spd spi spk spp sps spy ss- ssd ssi ssk ssp sss sy- syd syi syk syp sys yds ydy yid yii yip yis yki ykk ypd yps ysi ysk ysp yss ysy yys yyy