ppc ppd ppe ppf ppg pph ppi ppm ppn ppo ppp ppr pra prc prd pre prf prg prh pri prm prn pro prp prr ra- raa rac rad rae raf rag rah rai ram ran rao rap rar rca rcc rcd rce rcf rcg rch rci rcm rcn rco rcp rcr rda rdc rdd rde rdf rdg rdh rdi rdm rdn rdo rdp rdr re- rea rec red ree ref reg reh rei rem ren reo rep rer rfa rfc rfd rfe rff rfg rfh rfi rfm rfn rfo rfp rfr rga rgc rgd rge rgf rgg rgh rgi rgn rgo rgp rgr rh- rha rhc rhd rhe rhf rhg rhh rhi rhm rhn rho rhp rhr ria ric rid rie rif rig rih rii rim rin rio rip rir rma rmc rmd rme rmf rmg rmh rmi rmm rmn rmo rmp rmr rna rnc rnd rng rnh rni rnm rnn rno rnp rnr roa roc rod roe rof rog roh roi rom ron roo rop ror rpa rpc rpd rpe rpf rpg rph rpi rpm rpn rpo rpp rpr rra rrc rrd rrf rrg rrh rri rrm rrn rrp rrr