hhh hhn hho hhr hhs hnh hnn hno hns hoh hon hoo hor hos hr- hrh hrn hro hrr hrs hsh hsn hsr hss nhh nhn nhr nhs nnh nnn nno nns no- noh non noo nor nos nrn nro nrr nrs nsh nsn nso nsr nss ohh ohn oho ohr ohs on- onh onn ono onr ons oo- ooh oon ooo oor oos or- orh orn oro orr ors os- osh osn oso osr oss rh- rhh rhn rho rhr rhs rnh rnn rno rnr rns roh ron roo ror ros rrh rrn rrr rrs rsh rsn rso rsr rss sh- shh shn sho shr shs snn sno snr sns soh son soo sor sos sr- srh srn sro srr srs ss- ssh ssn sso ssr sss