You're not going to be able to get around that restriction.
Typically registries for internet country code top-level domain (ccTLD) like Libya Telecom & Technology for the .ly ccTLD reserve domains with three or less characters for governmental departments and state run organizations, and allow the remaining to either be preregistered on a first come, first serve basis, or bid on during an auction.
In the case of
.ly, as specified here, the second-level domains which are officially open to third-level registrations are:
.com.ly: Commercial services
.net.ly: Internet-related services
.gov.ly: Government and ministries
.plc.ly: State-owned companies
.edu.ly: Educational and training institutions
.med.ly: Health-related services
.org.ly: Non-profit organizations
As also specified there, and on the registry's site, in order to ensure a local presence, they may require trademark registration and other legal documents, and require that domains not contain:
obscene and indecent names/phrases, including words of a sexual
nature; furthermore domain names may not contain words/phrases or
abbreviations insulting religion or politics, or be related to
gambling and lottery industry or be contrary to Libyan law or Islamic