iiii inni innr innu inp- inpi inpp inri inui inun inup ipin ipix ippr ipri ipur iri- irin irip irix irri irun iuiu iupp ixxi n-ii n-up niip niir niiu nini nipr niru niur nixi nnnn nnpi nnpr npin npri nrpn nuin nuix nunn nuri nurn nurp nurr nuru piip pini pinn pinp pinu pipi pipp piri pirn pirr piru pixx pnin pnpp pnup pppn pppp ppru ppur pri- prii prin prix prnp prri pruu puin puir puiu punu punx pupi pupu pur- puri purp purr puru puxi riin rinn ripi ripp ripr riri rnin rpii rpix rppn rrrr rrun ruin runi runn rupp ruri rurp ruru ruun u-rp uipi uirr uni- unii unin unir unix unni upin upnp uppp uppu upri upup urin uriu urix urni urri urun urup urur uuni uuri uuuu xiii xinu xipu xixi xpin xuri xuxu xxii xxix xxxi xxxx