-al -ol a-a aaa aal aao aar aau al- ala all alo alr alu aoa aol aoo aor aou ar- ara arl aro arr aru au- aua aul auo aur la- laa lal lao lar lau lla lll llo llr llu loa lol loo lor lou lra lro lrr lru lua lul luo lur luu oaa oal oao oar oau ola oll olo olu oo- ooa ool ooo oor or- ora orl oro orr oru ou- oua oul ouo our ra- raa ral rao rar rau rla rll rlo rlr rlu roa rol roo ror rou rra rrl rrr rru rua ruo rur ruu ua- uaa ual uao uar uau ula ull ulo ulr ulu uoa uol uoo uor ur- ura url uro urr uru uua uur uuu