ddd ddi ddo ddp ddr ddt ddy di- did dii dio dip dir dit diy dod doi doo dop dor dot doy dpd dpi dpo dpp dpr dpt drd dri dro drp drr drt dry dtd dti dto dtp dtr dtt dty dy- dyd dyo dyp dyr dyy i-d idd idi ido idp idr idt idy iid iii iio iip iir iit io- iod ioi ioo iop ior iot ipd ipi ipo ipp ipr ipt ipy ir- ird iri iro irp irr irt iry itd iti ito itp itt ity iyo iyr iyt iyy o-i odd odi odo odp odr odt oid oii oio oip oir oit oo- ood ooi ooo oop oor oot op- opd opi opo opp opr opt opy or- ord ori oro orp orr ort ory ot- otd oti oto otp otr ott oyd oyi oyo p-p pdd pdi pdo pdp pdr pdt pid pii pio pip pir pit pod poi poo pop por pot poy ppd ppi ppo ppp ppr ppt prd pri pro prp prr prt pry pt- ptd pti pto ptp ptr ptt pty py- pyd pyo pyr pyt rdd rdi rdo rdp rdr rdt rdy rid rii rio rip rir rit riy rod roi roo rop ror rot roy rpd rpi rpo rpp rpr rpt rrd rri rrp rrr rrt rtd rti rto rtp rtr rtt rty ry- ryd ryo ryr ryy tdd tdi tdo tdp tdr tdt tdy tid tii tio tip tir tit tiy to- tod toi too top tor tot toy tpd tpi tpo tpp tpr tpt trd tri tro trp trr trt try ttd tti tto ttp ttr ttt tty tyd tyo typ tyr tyt ydo ydt ydy yid yii yio yip yir yit yod yoi yoo yop yor yot yoy ypd ypo yro yrp yrt ytd yto ytp ytr ytt yyt yyy