pnd pne pnh pni pnk pnm pnn pnp pnr pnu ppc ppd ppe pph ppi ppk ppm ppn ppp ppr ppu prc prd pre prh pri prk prm prn prp prr pru puc pud pue puh pui puk pum pun pup pur puu rcc rcd rce rch rci rcm rcn rcp rcr rcu rdc rdd rde rdh rdi rdm rdn rdp rdr rdu re- rec red ree reh rei rek rem ren rep rer reu rh- rhc rhd rhe rhh rhi rhm rhn rhp rhr rhu ric rid rie rih rii rik rim rin rip rir rkc rke rkk rkm rkp rku rmc rmd rme rmh rmi rmm rmn rmp rmr rnc rnd rnh rni rnm rnn rnp rnr rnu rpc rpd rpe rph rpi rpk rpm rpn rpp rpr rpu rrc rrd rrh rri rrk rrm rrn rrp rrr rru ruc rud rue ruh rui ruk rum run rup rur ruu ucc ucd uce uch uci uck ucm ucn ucp ucr ucu udc udd ude udi udk udm udn udp udr udu uec ued uee ueh uei uem uen uep uer uhc uhd uhe uhh uhi uhm uhp uhr uhu uic uid uie uii uim uin uip uir uiu ukc uke uki ukk ukn ukp ukr uku um- umc umd ume umh umi umm umn ump umr umu un- unc und une unh uni unk unm unn unp unr unu up- upc upd upe uph upi upk upm upn upp upr upu ur- urc urd ure uri urk urm urn urp urr uru uuc uue uum uun uur uuu