-al -ol a-a aaa aak aal aan aao aar aas aka akk akl akn ako akr aks al- ala alk all aln alo alr als an- ana ank anl ann ano anr ans aoa aok aol aon aoo aor aos ar- ara ark arl arn aro arr ars as- asa ask asl asn aso asr ass ka- kaa kak kal kan kao kar kas kkk kkl kkn kkr kks kl- kla klo klr kls kn- kna knk knl knn kno knr koa kok kol kon koo kor kos kra krk krl krn kro krr krs ksa ksk ksl ksn kso ksr kss la- laa lak lal lan lao lar las lka lkl lkr lks lla llk lll lln llo llr lls lna lnk lnl lnn lno lnr lns loa lok lol lon loo lor los lra lrk lrn lro lrr lrs lsa lsk lsl lsn lso lsr lss naa nak nal nan nao nar nas nka nkk nkn nko nkr nks nla nlk nll nln nlo nlr nls nna nnk nnl nnn nno nns no- noa nok nol non noo nor nos nra nrk nrl nrn nro nrr nrs nsa nsk nsl nsn nso nsr nss oaa oak oal oan oao oar oas oka okk okl oko okr oks ola olk oll oln olo ols on- ona onk onl onn ono onr ons oo- ooa ook ool oon ooo oor oos or- ora ork orl orn oro orr ors os- osa osk osl osn oso osr oss ra- raa rak ral ran rao rar ras rkk rko rks rla rll rln rlo rlr rls rna rnn rno rnr rns roa rok rol ron roo ror ros rra rrk rrl rrn rrr rrs rsa rsk rsl rsn rso rsr rss saa sak sal san sao sar sas sk- ska skk skl sko skr sks sla slk sll sln slo slr sls sna snk snl snn sno snr sns soa sok sol son soo sor sos sr- sra srk srl srn sro srr srs ss- ssa ssk ssl ssn sso ssr sss