a-ii aaaa aaaf aaai aafa aaff aafi aaii aata aatf aatt afaa afat affa affi afft afia afif afit afix afta aiai aiff aiia aita aitf aiti aitt aixa aixi at-t at-x ataa atai atat atax atia atif atit atta atti axaf axat axi- axia faaa fafa faff fafi fait faix fata fatf fati fatt faxi ffff ffii fftf fiaa fiaf fiat fifa fiff fifi fift fiii fita fiti fitt fixt fixx ftii iaaa iaai iaat iaff iaia iata iati ifaa ifat ifit ifta iifa iiii iiit iita iitt itaa itaf itai itat itfa itia itif itta ittf ixia ixxi taa- taaf taat tafa taff tafi taft taia tait taix tata tati tatt tax- taxa taxf taxi taxt tiaa tiaf tiax tifa tiff tift tiit tita titi titt tixt ttfa ttff tttt txaa txii x-fi xait xiii xita xixi xxii xxix xxxi xxxx