-ol hhh hhl hhn hho hhr hlh hll hln hlo hlr hnh hnl hnn hno hoh hol hon hoo hor hr- hrh hrl hrn hro hrr lhh lho lhr lll lln llo llr lnh lnl lnn lno lnr loh lol lon loo lor lrh lrn lro lrr nhh nhl nhn nhr nlh nll nln nlo nlr nnh nnl nnn nno no- noh nol non noo nor nrl nrn nro nrr ohh ohl ohn oho ohr oll oln olo on- onh onl onn ono onr oo- ooh ool oon ooo oor or- orh orl orn oro orr rh- rhh rhl rhn rho rhr rlh rll rln rlo rlr rnh rnn rno rnr roh rol ron roo ror rrh rrl rrn rrr