-ana a-un aaaa aaac aaan aaar aaas aaca aacc aacn aacr aacs aacu aana aara aarc aars aaru aasa aasc aass aasu aaus acaa acac acan acar acas acca accc accs accu acr- acra acrc acrr acrs acsa acsc acss acu- acur acus ana- anaa anac anan anar anas anau anca ancc anna anns anrc ansa ansu anua anun anus arac aran arar aras arau arc- arca arcs arna arns arr- arra arrc arrr arrs arru ars- arsa arsc arsu arua arun asaa asac asan asar asas asau asc- asca ascc ascr asnc asra asrc asrs asru assa assc assn assr asss assu asun asur asus auaa auca auna aur- aura ausa ausu caaa caac caan caas cac- caca cacc cacr cana canc cann cans cara carc carn carr cars casa casc casr cass casu cauc caus ccaa ccac ccar ccas ccca cccc cccs cccu ccna ccnc ccnr ccns ccnu ccra ccrc ccrs ccsa ccsn ccss ccuc ccus cnaa cnac cnas cnna cnrc cnrr cnsa cnss crac cran crar cras crau crca crcc crcr crna crns crsa crss crun crus csaa csac csar csas cscc cscr cscs csra csrc csrs cssa cssr csua csur csus cuan cuau cuca cucc cucn cuna cura curn curr curs cusa cuss cusu naaa naac naan naar naas naca nacc nacs nan- nana nann nans nanu nara narc narn narr nars naru nas- nasa nasc nasr nass nasu naur naus ncaa ncac ncar ncca nccc nccn nccr nccs nccu ncna ncnc ncra ncrc ncsa ncsc ncss ncua nnnn nnsa nnss nras nrca nrcs nrna nrrc nrsa nrsc nsaa nsac nsar nsca nscc nscs nsna nsnr nsra nsrc nssa nssc nssr nsss nuan nuca nucs nucu nuna nunc nunn nuns nura nurc nurn nurr nurs nuru nuss nusu raan raas rac- raca racc racs racu rana ranc rann rans rara rars rasa rasc rass rasu raua rauc raun raus rcac rcas rccc rccs rcnr rcsa rcsc rcss rnas rncs rras rrna rrrr rrun rsaa rscc rscn rscs rsna rsnn rsnr rssa rsua ruan ruas ruca runa runc runn runs rura rurc rurs ruru rusa russ rusu ruun sa-c saac saan saar saas saca sacc sacn sacr sacs sacu sana sann sanr sans sanu sara sarc sarn sarr sars saru sasa sasc sass saua sauc saun saur saus scaa scac scan scar scas sccc sccs scna scnr scr- scra scrc scrn scrs scsa scsc scsn scsr scsu scua scun scur snar snas snca sncc snns snra snrs snur snus sras srcc srna srnn ssaa ssac ssan ssas ssau ssca sscc sscs ssns ssra ssrc ssrs sssa sssc ssss suan suar suas suc- succ sucr sucs sun- suna sunn suns sunu sur- sura surc surn surr surs suru sus- susa suss susu suus uaca uarc uars uaru uasa uaua ucan ucar ucas ucca ucrc ucsa ucsc ucsu ucua unaa unac unan unar unas unau unca uncc uncs unna unns unra unrs uns- unsa unsc unus urac uran uras urau urca urna urns urra ursa urss ursu urun urur urus us-a usaa usac usan usar usas usca uscc uscs usna usnc usnr usnu usra ussa ussc ussr usss ussu usua usun usus uuuu