-up l-p lll lln llp llr llu lnl lnn lnp lnr lnu lpl lpn lpp lpr lpu lrn lrp lrr lru lul lun lup lur luu nll nln nlp nlr nlu nnl nnn nnp nnu npl npn npp npr npu nrl nrn nrp nrr nru nul nun nup nur nuu p-p pll pln plp plr plu pn- pnl pnn pnp pnr pnu ppl ppn ppp ppr ppu prl prn prp prr pru pul pun pup pur puu rll rln rlp rlr rlu rnn rnp rnr rnu rpl rpn rpp rpr rpu rrl rrn rrp rrr rru run rup rur ruu ull uln ulp ulr ulu un- unl unn unp unr unu up- upn upp upr upu ur- url urn urp urr uru uun uur uuu