-ana aaaa aaac aaaf aaan aaar aaas aaca aacc aacf aacn aaco aacr aacs aafa aafc aaff aana aaon aaoo aara aarc aaro aars aasa aasc aasf aass acaa acac acan acar acas acca accc accf acco accs acfc acfs acoa acon acor acos acr- acra acrc acro acrr acrs acsa acsc acss afaa afan afao afar afca afcc afcs affa affc affo affs afoa afoo afor afr- afra afrc afro afrs afsa afsc ana- anaa anac anan anao anar anas anca ancc anco anfa anfo anna anno anns ano- anoa anon anor anos anrc ansa ansf anso aoca aocs aono aora aorn aors aoss arac araf aran arar aras arc- arca arco arcs arfa arfc arff arfs arna arno arns aroa aron aroo aror aros arr- arra arrc arro arrr arrs ars- arsa arsc arso asaa asac asaf asan asao asar asas asc- asca ascc asco ascr asfa asnc asno asoc asof ason asor asos asra asrc asro asrs assa assc assn asso assr asss caaa caac caaf caan caas cac- caca cacc caco cacr cafa cafc caff cafs cana canc cann cano cans caor caos cara carc carf carn caro carr cars casa casc caso casr cass ccaa ccac ccaf ccar ccas ccca cccc cccf cccs ccfa ccfc ccff ccna ccnc ccnf ccnr ccns ccoc ccra ccrc ccrf ccrs ccsa ccsf ccsn ccss cfaa cfac cfao cfar cfca cfcf cfcn cfco cfcs cffr cfnr cfns cfoa cfor cfos cfra cfrn cfsa cnaa cnac cnas cnco cnfa cnna cnrc cnrr cnsa cnss coan coas coca coco cofc coff cofs con- cona conc conf conn cono cons coof coon coos cor- cora corc corf corn coro corr cors cosa cosc coso coss crac craf cran crar cras crca crcc crcr crfc crfs crna crns croc cron croo cror crsa crss csaa csac csao csar csas cscc cscf csco cscr cscs csfc csfr csor csos csra csrc csrs cssa cssr faaa faac faan faas faca facc facs fafa fafc faff fafo fana fanc fano fans faon fara farc faro farr fars fasa fasc fasn faso fass fcar fcas fcca fccf fcra fcsc ffar ffcc ffff ffrr ffsa ffss fnac fnar fnrs foaf foan foar foca foco focs fofo fono fons foof foon foos for- fora forn foro forr fors fosa foso foss frac fran fras frcc frcn frfc frns fron fros frsc frso fsas fscc fsfo fsra fssa fssc fssf naaa naac naan naar naas naca nacc nacf naco nacs nafa nafc naff nafo nafs nan- nana nann nano nans naoc naor naos nara narc narf narn naro narr nars nas- nasa nasc nasf naso nasr nass ncaa ncac ncar ncca nccc nccf nccn nccr nccs ncfc ncna ncnc ncoa ncoc ncor ncos ncra ncrc ncsa ncsc ncsf ncss nfaa nfas nfff nfon nfra nfrs nfsr nnnn nnos nnsa nnss noaa noac noco nocs non- nona nonn nono nons noo- noon nooo noor noos nor- nora norc norf norn noro norr nors nos- nosa noss nras nrca nrcs nrfc nrna nroc nron nrrc nrsa nrsc nsaa nsac nsar nsca nscc nscs nsfc nsfs nsna nsnr nsof nsos nsra nsrc nssa nssc nssf nsso nssr nsss oafc oafo oafs oara oars oasc oass ocac ocan ocas occa occc occn ocfa ocna ocon ocos ocra ocro ocrr ocrs ocsa ofan ofas ofcr off- offa offc offo offr offs ofna ofno ofor ofra onan onar onas onc- onca oncf onco onna onno onon onor onos onra onsc onso ooaa oocr ooff oofs oona oons oooo ooos oora oosa orac oran orao orar oras orca orco orcs orff orfs orna ornc orno orns oro- orof oron oror oros orra orro orrs orsa orso osaf osan osar osas osca oscc osco osfa osno osnr osoo osor osos osro ossa osso raaf raan raas rac- raca racc raco racs rafa rafc raff rana ranc rann rano rans raoc raos rara rarf raro rars rasa rasc raso rass rcac rcaf rcas rccc rccs rcfc rcnr rcon rcos rcsa rcsc rcss rffc rnaf rnas rnco rncs roaf roan roar roas roca rocc roco rocs rofc roff rofo rona ronc rono rons roof roon roor roos rora rorc roro rosa rosc roso ross rras rrfc rrna rrrr rsaa rsaf rscc rscn rscs rsfc rsna rsnn rsno rsnr rsos rssa s-os sa-c saac saaf saan saar saas saca sacc sacn saco sacr sacs safa safc saff safo safr sana sann sano sanr sans saon saor saos sara sarc sarf sarn saro sarr sars sasa sasc sasf saso sass scaa scac scaf scan scar scas sccc sccs scfa scfc scna scnr scon scoo scor scr- scra scrc scrn scrs scsa scsc scsn scso scsr sfar sfas sfca sfcc sfco sfcs sffc sfor sfos sfra sfrc sfro sfss snar snas snca sncc sncf snco snns snoa snoc snoo snor snos snra snrs soan soar soas soca soco socr socs sofa sofo son- sona sono sons soof soon soor soos sora sorn soro sorr sors sosa soso soss sraf sras srcc srfc srna srnn srno sros ssaa ssac ssan ssao ssas ssca sscc sscs ssfc ssns ssoc ssra ssrc ssrs sssa sssc sssf ssss