-ol hhh hhl hho hhr hhs hlh hll hlo hlr hls hoh hol hoo hor hos hr- hrh hrl hro hrr hrs hsh hsl hsr hss lhh lho lhr lhs lll llo llr lls loh lol loo lor los lrh lro lrr lrs lsh lsl lso lsr lss ohh ohl oho ohr ohs oll olo ols oo- ooh ool ooo oor oos or- orh orl oro orr ors os- osh osl oso osr oss rh- rhh rhl rho rhr rhs rlh rll rlo rlr rls roh rol roo ror ros rrh rrl rrr rrs rsh rsl rso rsr rss sh- shh shl sho shr shs slh sll slo slr sls soh sol soo sor sos sr- srh srl sro srr srs ss- ssh ssl sso ssr sss