ci'i'e _{PA

…BOI} experimental cmavo

transfnite cardinal beth

In notes:

ci'i'o (exp!): transfinite ordinal little-omega; if followed by a number, it denotes the ordinal which is little-omega subscripted therewith in English notation
ci'i'oi (exp!): transfinite ordinal little-epsilon; if followed by a number, in English notation, the following number would be denoted by a subscript