aaaa aaac aaal aaar aaca aacc aacl aaco aacr aala aalc aall aalo aaoo aara aarc aaro acaa acac acar acca accc acco acla aclc aclr acoa acol acor acr- acra acrc acro acrr alaa alac alal alao alar alca alcc alco all- alla alll allo allr aloa aloc alol aloo alor alro alxa aoca aola aora arac aral arar arax arc- arca arco arla arlo aroa aroo aror arr- arra arrc arro arrr axal axar axo- axoa axxo caaa caac caal cac- caca cacc caco cacr cala calc call calo calx caol caor cara carc carl caro carr carx caxa ccaa ccac ccar ccca cccc cccl ccla cclc cclx ccoc ccra ccrc ccrl ccxl clar cloo clor clox clra clro clxx coal coax coca coco col- cola coll colo cool cor- cora corc corl coro corr coxa crac crar crax crca crcc crcr croc crol croo cror cxro cxxx laaa laac laal laar laax laca lacc lacl laco lala lall lalo lara larc larr laxa laxo lcac lcca lccc lcor lcra lcrl llao llcc lllc llll lloa lloc lloo loac loar loca locc loco lola loll lolo looc lool loor lora loro lox- loxa loxo lrac lral lroc lrrc lrrr lxra lxxx oall oara ocac ocal occa occc oclc ocra ocrl ocro ocrr olac olar olax olca olcc olla ollo olor ooaa oocr oola oolo oooo oora orac oral orao orar orca orco orla orlo oro- oror orra orro oxa- oxal oxo- oxox oxxo rac- raca racc raco rala rall ralo raoc raol rara raro raxa rcac rccc roar roca rocc roco rola roll rolo rool roor roox rora rorc roro roxa roxo rrrr xaar xacl xala xall xara xcal xloc xlox xoca xoco xolo xoro xoxo xxxo xxxx