-al -ol a-a a-i aaa aai aak aal aao aar aas ai- aia aii aik ail aio air ais aka aki akk akl ako akr aks al- ala ali alk all alo alr als aoa aoi aok aol aoo aor aos ar- ara ari ark arl aro arr ars as- asa asi ask asl aso asr ass ia- iaa iai ial iao iar ias iia iii iil iio iir iis ika iki ikk ikl iko ikr iks il- ila ili ilk ill ilo ilr ils io- ioa ioi iol ioo ior ios ir- ira iri irk irl iro irr irs is- isa isi isk isl iso isr iss ka- kaa kai kak kal kao kar kas kia kii kik kil kio kir kis kki kkk kkl kkr kks kl- kla kli klo klr kls koa koi kok kol koo kor kos kra kri krk krl kro krr krs ksa ksi ksk ksl kso ksr kss la- laa lai lak lal lao lar las lia lii lik lil lio lir lis lka lkl lkr lks lla lli llk lll llo llr lls loa loi lok lol loo lor los lra lri lrk lro lrr lrs lsa lsi lsk lsl lso lsr lss o-i oaa oai oak oal oao oar oas oia oii oik oil oio oir ois oka oki okk okl oko okr oks ola oli olk oll olo ols oo- ooa ooi ook ool ooo oor oos or- ora ori ork orl oro orr ors os- osa osi osk osl oso osr oss ra- raa rai rak ral rao rar ras ria rii rik ril rio rir ris rkk rko rks rla rli rll rlo rlr rls roa roi rok rol roo ror ros rra rri rrk rrl rrr rrs rsa rsi rsk rsl rso rsr rss saa sai sak sal sao sar sas sia sii sik sil sio sir sis sk- ska ski skk skl sko skr sks sla sli slk sll slo slr sls soa soi sok sol soo sor sos sr- sra sri srk srl sro srr srs ss- ssa ssi ssk ssl sso ssr sss