-al -ol a-a a-i aaa aai aal aao aar aas ai- aia aii ail aio air ais al- ala ali all alo alr als aoa aoi aol aoo aor aos ar- ara ari arl aro arr ars as- asa asi asl aso asr ass ia- iaa iai ial iao iar ias iia iii iil iio iir iis il- ila ili ill ilo ilr ils io- ioa ioi iol ioo ior ios ir- ira iri irl iro irr irs is- isa isi isl iso isr iss la- laa lai lal lao lar las lia lii lil lio lir lis lla lli lll llo llr lls loa loi lol loo lor los lra lri lro lrr lrs lsa lsi lsl lso lsr lss o-i oaa oai oal oao oar oas oia oii oil oio oir ois ola oli oll olo ols oo- ooa ooi ool ooo oor oos or- ora ori orl oro orr ors os- osa osi osl oso osr oss ra- raa rai ral rao rar ras ria rii ril rio rir ris rla rli rll rlo rlr rls roa roi rol roo ror ros rra rri rrl rrr rrs rsa rsi rsl rso rsr rss saa sai sal sao sar sas sia sii sil sio sir sis sla sli sll slo slr sls soa soi sol soo sor sos sr- sra sri srl sro srr srs ss- ssa ssi ssl sso ssr sss