pnn pno pnp pnr poa pob poc pod poe poh poi pol pom pon poo pop por ppa ppb ppc ppd ppe pph ppi ppl ppm ppn ppo ppp ppr pra prb prc prd pre prh pri prl prm prn pro prp prr ra- raa rab rac rad rae rah rai ral ram ran rao rap rar rba rbb rbc rbd rbe rbh rbi rbl rbm rbn rbo rbp rbr rca rcb rcc rcd rce rch rci rcl rcm rcn rco rcp rcr rda rdb rdc rdd rde rdh rdi rdl rdm rdn rdo rdp rdr re- rea reb rec red ree reh rei rel rem ren reo rep rer rh- rha rhb rhc rhd rhe rhh rhi rhl rhm rhn rho rhp rhr ria rib ric rid rie rih rii ril rim rin rio rip rir rla rlc rld rle rlh rli rll rlm rln rlo rlp rlr rma rmb rmc rmd rme rmh rmi rml rmm rmn rmo rmp rmr rna rnb rnc rnd rnh rni rnm rnn rno rnp rnr roa rob roc rod roe roh roi rol rom ron roo rop ror rpa rpb rpc rpd rpe rph rpi rpl rpm rpn rpo rpp rpr rra rrb rrc rrd rrh rri rrl rrm rrn rrp rrr