aissaouia al-safsaf alluvials alluvious aloifolia asisusual aviavilsa fall-offs filifusus fla-flu fllllllll fluvisols follafoss fuailoloo issisisis laovavasa lava-lava lavafalls lavalavas llavallol lolalolas oilofolav salussola saviloovi silisious sisillius soliflual sous-sous soussoula uiallalla uluvalu usausausa vaisvilas vasilissa vassilios vavilovia vi-ii-v-i vilivalla violasolo vis-a-vis vivavilla volvulous