-up ddd ddi ddp ddr ddu ddy di- did dii dip dir diu diy dpd dpi dpp dpr dpu drd dri drp drr dru dry dud dui dup dur duy dy- dyd dyp dyr dyu dyy i-d idd idi idp idr idu idy iid iii iip iir iiu ipd ipi ipp ipr ipu ipy ir- ird iri irp irr iru iry iu- iud iui iup iur iyr iyy p-p pdd pdi pdp pdr pdu pid pii pip pir piu ppd ppi ppp ppr ppu prd pri prp prr pru pry pud pui pup pur puu puy py- pyd pyr pyu rdd rdi rdp rdr rdu rdy rid rii rip rir riy rpd rpi rpp rpr rpu rrd rri rrp rrr rru rud rui rup rur ruu ruy ry- ryd ryr ryu ryy udd udi udp udr udu uid uii uip uir uiu up- upd upi upp upr upu ur- urd uri urp urr uru ury uur uuu uyi uyu ydy yid yii yip yir ypd ypu yrp yru yud yui yup yur yuu yuy yyu yyy