-ol kkk kkl kkn kkp kks kl- klo kls kn- knk knl knn kno knp kok kol kon koo kop kos kpk kpl kpn kpo kpp kps ksk ksl ksn kso ksp kss l-p lkl lkp lks llk lll lln llo llp lls lnk lnl lnn lno lnp lns lok lol lon loo lop los lpk lpl lpn lpo lpp lps lsk lsl lsn lso lsp lss nkk nkn nko nkp nks nlk nll nln nlo nlp nls nnk nnl nnn nno nnp nns no- nok nol non noo nop nos npl npn npo npp nps nsk nsl nsn nso nsp nss okk okl oko okp oks olk oll oln olo olp ols on- onk onl onn ono onp ons oo- ook ool oon ooo oop oos op- opk opl opn opo opp ops os- osk osl osn oso osp oss p-p pkl pkn pko pkp pks plk pll pln plo plp pls pn- pnk pnl pnn pno pnp pns pok pol pon poo pop pos ppk ppl ppn ppo ppp pps ps- psk psl psn pso psp pss sk- skk skl sko skp sks slk sll sln slo slp sls snk snl snn sno snp sns sok sol son soo sop sos spk spl spn spo spp sps ss- ssk ssl ssn sso ssp sss