-ol hhh hhl hhn hho hhp hlh hll hln hlo hlp hnh hnl hnn hno hoh hol hon hoo hop hph hpl hpn hpo hpp l-p lhh lho lhp lll lln llo llp lnh lnl lnn lno lnp loh lol lon loo lop lph lpl lpn lpo lpp nhh nhl nhn nhp nlh nll nln nlo nlp nnh nnl nnn nno nnp no- noh nol non noo nop nph npl npn npo npp ohh ohl ohn oho ohp oll oln olo olp on- onh onl onn ono onp oo- ooh ool oon ooo oop op- oph opl opn opo opp p-p phl phn pho php plh pll pln plo plp pn- pnh pnl pnn pno pnp poh pol pon poo pop pph ppl ppn ppo ppp