ocam occa occc occi ocfa ocga ocma ocom ocra ocro ocrr ofcr off- offa offc offo offr ofgo ofor ofra ogai ogam ogar ogfr oggi ogma ogoa ogog ogoi ogra ogri ogro oici oigo oiii oira omac omai omam omao omar omca omfg omia omic omim omio omma omo- omoa omoi omoo omor omox omra omri omro ooaa oocr ooff ooia ooma oooo oora orac orai oram orao orar orca orci orco orff orfi orga orgo ori- oria oric orif orig orio orix orma ormo oro- orof orom oror orra orri orro oxa- oxi- oxia oxic oxim oxo- oxof oxox oxxo raaf raag raam rac- raca racc raci raco rafa rafc raff rafi raga ragg ragi rago raia raic raif raig raii raim rair raix rama rami ramm ramo raoc raom rara rarf rari raro raxa raxi rcac rcaf rccc rcfc rcga rcgc rcic rcrg rfam rffc rfic riaa riai riam rica ricc rico rifa riff riga rigg rigi rigo riia riif rima rimi rimm rimo riom riri rixc rixo rmaf rmif rmrg roaf roag roam roar roca rocc roco rofc roff rofo roga rogg rogi rogo roia roif roig roio roir roma romi romm romo roof roog rooi room roor roox rora rorc rori roro roxa roxo rrfc rrif rrmc rrrr x-fi xaar xaga xago xara xcii xcmg xcri xfig xggi xiao xica xico xiii xima xixi xmax xmii xoca xoco xoom xorg xoro xoxo xxii xxix xxxi xxxo xxxx