ppp ppr prd pre prg prh prl prm prn pro prp prr pry py- pyd pye pyg pyl pym pyn pyo pyr rdd rde rdg rdh rdl rdm rdn rdo rdp rdr rdy re- red ree reg reh rel rem ren reo rep rer rey rgd rge rgg rgh rgn rgo rgp rgr rh- rhd rhe rhg rhh rhl rhm rhn rho rhp rhr rld rle rlg rlh rll rlm rln rlo rlp rlr rly rmd rme rmg rmh rml rmm rmn rmo rmp rmr rnd rng rnh rnm rnn rno rnp rnr rny rod roe rog roh rol rom ron roo rop ror roy rpd rpe rpg rph rpl rpm rpn rpo rpp rpr rrd rrg rrh rrl rrm rrn rrp rrr ry- ryd rye ryg rym ryn ryo ryr ryy yde ydg ydl ydn ydo ydy yed yee yeg yeh yel yem yen yeo yep yer yey ygl ygm ygo yhe yld yle ylg yll ylm ylr yly yme ymg yml ymm ymo ynd yne yng ynn ynp yny yod yoe yog yol yom yon yoo yop yor yoy ypd ypg ypl ypo yre yrg yrn yro yrp yye yyg yyy