-al -ol a-a aaa aal aan aao aap al- ala all aln alo alp an- ana anl ann ano anp aoa aol aon aoo aop ap- apa apl apn apo app l-p la- laa lal lan lao lap lla lll lln llo llp lna lnl lnn lno lnp loa lol lon loo lop lpa lpl lpn lpo lpp naa nal nan nao nap nla nll nln nlo nlp nna nnl nnn nno nnp no- noa nol non noo nop npa npl npn npo npp oaa oal oan oao oap ola oll oln olo olp on- ona onl onn ono onp oo- ooa ool oon ooo oop op- opa opl opn opo opp p-p paa pal pan pao pap pla pll pln plo plp pn- pna pnl pnn pno pnp poa pol pon poo pop ppa ppl ppn ppo ppp