Prefixes starting with <IS>

<IS > . <IS#> . <ISA> . <ISB> . <ISC> . <ISD> . <ISE> . <ISH> . <ISI> . <ISK> . <ISL> . <ISM> . <ISN> . <ISO> . <ISP> . <ISR> . <ISS> . <IST> . <ISV> . <ISY> . <IS> (other) .