-ly ddd ddi ddl ddp dds ddy di- did dii dil dip dis diy dl- dld dli dll dlp dls dly dpd dpi dpl dpp dps dsd dsi dsl dsp dss dsy dy- dyd dyp dys dyy i-d idd idi idl idp ids idy iid iii iil iip iis il- ild ili ill ilp ils ily ipd ipi ipl ipp ips ipy is- isd isi isl isp iss isy iys iyy l-p ldd ldi ldl ldp lds ldy lid lii lil lip lis lld lli lll llp lls lly lpd lpi lpl lpp lps lsd lsi lsl lsp lss lyd lyl lys p-p pdd pdi pdl pdp pds pid pii pil pip pis pld pli pll plp pls ply ppd ppi ppl ppp pps ps- psd psi psl psp pss psy py- pyd pyl pys sdd sdi sdl sdp sds sdy sid sii sil sip sis sld sli sll slp sls sly spd spi spl spp sps spy ss- ssd ssi ssl ssp sss sy- syd syi syl syp sys ydl yds ydy yid yii yip yis yld yli yll yls yly ypd ypl yps ysi ysl ysp yss ysy yys yyy