} elseif ( join( '', array_slice( $ar[0], -1 ) ) == 'ь' ) {
$word = join( '', array_slice( $ar[0], 0, -1 ) ) . 'я';
} elseif ( join( '', array_slice( $ar[0], -2 ) ) == 'ія' ) {
} elseif ( join( '', array_slice( $ar[0], -1 ) ) == 'ь' ) {
$word = join( '', array_slice( $ar[0], 0, -1 ) ) . 'я';
} elseif ( join( '', array_slice( $ar[0], -2 ) ) == 'ія' ) {