-ana aaaa aaac aaan aaar aaas aaca aacc aacn aaco aacr aacs aana aaon aaoo aara aarc aaro aars aasa aasc aass acaa acac acan acar acas acca accc acco accs acoa acon acor acos acr- acra acrc acro acrr acrs acsa acsc acss ana- anaa anac anan anao anar anas anca ancc anco anna anno anns ano- anoa anon anor anos anrc ansa anso aoca aocs aono aora aorn aors aoss arac aran arar aras arc- arca arco arcs arna arno arns aroa aron aroo aror aros arr- arra arrc arro arrr arrs ars- arsa arsc arso asaa asac asan asao asar asas asc- asca ascc asco ascr asnc asno asoc ason asor asos asra asrc asro asrs assa assc assn asso assr asss caaa caac caan caas cac- caca cacc caco cacr cana canc cann cano cans caor caos cara carc carn caro carr cars casa casc caso casr cass ccaa ccac ccar ccas ccca cccc cccs ccna ccnc ccnr ccns ccoc ccra ccrc ccrs ccsa ccsn ccss cnaa cnac cnas cnco cnna cnrc cnrr cnsa cnss coan coas coca coco con- cona conc conn cono cons coon coos cor- cora corc corn coro corr cors cosa cosc coso coss crac cran crar cras crca crcc crcr crna crns croc cron croo cror crsa crss csaa csac csao csar csas cscc csco cscr cscs csor csos csra csrc csrs cssa cssr naaa naac naan naar naas naca nacc naco nacs nan- nana nann nano nans naoc naor naos nara narc narn naro narr nars nas- nasa nasc naso nasr nass ncaa ncac ncar ncca nccc nccn nccr nccs ncna ncnc ncoa ncoc ncor ncos ncra ncrc ncsa ncsc ncss nnnn nnos nnsa nnss noaa noac noco nocs non- nona nonn nono nons noo- noon nooo noor noos nor- nora norc norn noro norr nors nos- nosa noss nras nrca nrcs nrna nroc nron nrrc nrsa nrsc nsaa nsac nsar nsca nscc nscs nsna nsnr nsos nsra nsrc nssa nssc nsso nssr nsss oara oars oasc oass ocac ocan ocas occa occc occn ocna ocon ocos ocra ocro ocrr ocrs ocsa onan onar onas onc- onca onco onna onno onon onor onos onra onsc onso ooaa oocr oona oons oooo ooos oora oosa orac oran orao orar oras orca orco orcs orna ornc orno orns oro- oron oror oros orra orro orrs orsa orso osan osar osas osca oscc osco osno osnr osoo osor osos osro ossa osso raan raas rac- raca racc raco racs rana ranc rann rano rans raoc raos rara raro rars rasa rasc raso rass rcac rcas rccc rccs rcnr rcon rcos rcsa rcsc rcss rnas rnco rncs roan roar roas roca rocc roco rocs rona ronc rono rons roon roor roos rora rorc roro rosa rosc roso ross rras rrna rrrr rsaa rscc rscn rscs rsna rsnn rsno rsnr rsos rssa s-os sa-c saac saan saar saas saca sacc sacn saco sacr sacs sana sann sano sanr sans saon saor saos sara sarc sarn saro sarr sars sasa sasc saso sass scaa scac scan scar scas sccc sccs scna scnr scon scoo scor scr- scra scrc scrn scrs scsa scsc scsn scso scsr snar snas snca sncc snco snns snoa snoc snoo snor snos snra snrs soan soar soas soca soco socr socs son- sona sono sons soon soor soos sora sorn soro sorr sors sosa soso soss sras srcc srna srnn srno sros ssaa ssac ssan ssao ssas ssca sscc sscs ssns ssoc ssra ssrc ssrs sssa sssc ssss