pna pnb pne pnh pni pnk pnn pno pnp pnr pnu poa pob poe poh poi pok pon poo pop por pou ppa ppb ppe pph ppi ppk ppn ppo ppp ppr ppu pra prb pre prh pri prk prn pro prp prr pru pua pub pue puh pui puk pun pup pur puu ra- raa rab rae rah rai rak ran rao rap rar rau rba rbb rbe rbh rbi rbk rbn rbo rbp rbr rbu re- rea reb ree reh rei rek ren reo rep rer reu rh- rha rhb rhe rhh rhi rhn rho rhp rhr rhu ria rib rie rih rii rik rin rio rip rir rkb rke rkk rko rkp rku rna rnb rnh rni rnn rno rnp rnr rnu roa rob roe roh roi rok ron roo rop ror rou rpa rpb rpe rph rpi rpk rpn rpo rpp rpr rpu rra rrb rrh rri rrk rrn rrp rrr rru rua rub rue ruh rui ruk run ruo rup rur ruu ua- uaa uab uae uah uai uak uan uao uap uar uau uba ubb ube ubh ubi ubk ubn ubo ubp ubr ubu uea ueb uee ueh uei uen uep uer uha uhb uhe uhh uhi uho uhp uhr uhu uia uib uie uii uin uio uip uir uiu uka ukb uke uki ukk ukn ukp ukr uku un- una unb une unh uni unk unn uno unp unr unu uoa uob uoe uok uon uoo uop uor up- upa upb upe uph upi upk upn upo upp upr upu ur- ura urb ure uri urk urn uro urp urr uru uua uue uun uur uuu