a-ii aaaa aaaf aaai aaas aafa aaff aafi aaii aais aasa aasf aasi aass afaa affa affi affs afgf afia afif afig afis afsa agag agai agas agfa agga aggi agia agig agii agis agsa agsg aiai aias aiff aifs aiga aiia aisa aisg aisi asaa asaf asag asai asas asfa asfi asia asif asii asis assa assi asss faaa faas fafa faff fafg fafi fagg fagi fags fais fasa fasi fass ffff ffii ffsa ffss fiaa fiaf fias fifa fiff fifi figa figg figs fiii fisa fisi fiss fsai fsas fsfi fsgs fsia fssa fssf gaas gafa gaff gafi gaga gagg gagi gags gaia gaig gais gasa gasi gass gffa ggfg gggg ggss giaa giai gias giff gifs giga gigg gigi gigs giis gisa giss gsif gsis iaaa iaai iaas iaff iags iaia iais iasa iasi ifaa ifas ifis ifsa igas igfa igga iggs igia igis iias iifa iiii iiis iisi is-a isaf isai isas isfa isia isis issa issf issi isss s-ii saaf saag saas safa saff safi saga sagg sagi sags saia saif sais sasa sasf sasi sass sfas sfia sfss sgaa sggg sggs sgss siaa siaf siag siai sias sifa siff siga sigg sigi sigs sisa sisi siss ssaa ssas ssgs ssis sssa sssf sssi ssss