rpu rpz rra rrc rri rrl rrn rrp rrr rru rua ruc rue rui run ruo rup rur ruu ruz rza rze rzo ua- uaa uac uae uai ual uan uao uap uar uau uaz uca ucc uce uci ucl ucn uco ucp ucr ucu uea uec uee uei uel uen uep uer uia uic uie uii uil uin uio uip uir uiu ula ulc ule uli ull uln ulo ulp ulr ulu un- una unc une uni unl unn uno unp unr unu uoa uoc uoe uol uon uoo uop uor up- upa upc upe upi upn upo upp upr upu upz ur- ura urc ure uri url urn uro urp urr uru urz uua uuc uue uun uur uuu uza uzi uzo uzu zaa zac zai zan zao zap zar zaz zce zcl zco zea zec zee zel zen zeo zep zer zez zia zie zil zin zio zip zir ziz zla zlr znc zne znn zno znp zo- zoa zoc zoe zoi zol zon zoo zor zou zpc zpe zpi zpl zpo zpp zpr zpu zrl zro zrp zuc zui zul zun zur zuz zzr zzz