-ana a-ii aaaa aaab aaac aaai aaan aaar aaas aaba aabb aabc aabi aaca aacb aacc aaci aacn aacr aacs aaib aaic aaii aain aais aana aani aara aarc aari aars aasa aasc aasi aass abaa abab abac abai aban abar abas abb- abba abbb abbi abbr abbs abca abcb abcc abci abcn abcr abcs abia abib abic abin abir abis abra abrc abri abrs abs- absa absi abss acaa acab acac acai acan acar acas acba acca accc acci accs aci- acia acic acin acir acis acr- acra acrc acri acrr acrs acsa acsc acsi acss aiai aian aias aiba aibn aica aicc aicr aics aiia aiib aiic aiin aiir aina ainc aini ains aira airi airs aisa aisb aisi aisr ana- anaa anab anac anai anan anar anas anba anbb anbi anca ancc ania anib anic anin anir anis anna annb anni anns anrc anri ansa ansi arab arac arai aran arar aras arba arbi arbs arc- arca arci arcs aria arib arii arin aris arna arni arns arr- arra arrc arri arrr arrs ars- arsa arsc arsi asaa asab asac asai asan asar asas asba asc- asca ascb ascc asci ascr asia asic asii asin asir asis asnc asni asra asrc asrs assa assc assi assn assr asss ba-i baaa baan baar baas baba babb babi babr babs bac- baca bacc baci bacn bacs baia baib baic bain bair bais bana banc bani bann banr bans bar- bara barb barc bari barn barr bars basa basc basi bass bbas bbbb bbbs bbci bbin bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcra bcrs bcsa bcsc bcsn bcss bian biar bias biba bibb bibi bibs bica bicc bici bics biin biis bin- bina binc bini binn bins bira birb biri birn birr birs bis- bisa bisc biss bnai bnas bnib bnin bnrr bnss brab brac brai bran bras brca brcb bria bric brin bris brna brns brrr brrs brsb brsr bsaa bsac bsas bsci bscs bsic bsin bsns bsra bssc caaa caab caac caan caas caba cabi cabs cac- caca cacc caci cacr caia caib caic cain cair cais cana canc cani cann cans cara carb carc cari carn carr cars casa casb casc casi casr cass cbac cbar cbbc cbbs cbca cbcc cbcn cbcr cbcs cbia cbir cbna cbrn cbsa cbsc cbsi cbsn ccaa ccab ccac ccai ccar ccas ccba ccbc ccbn ccca cccb cccc ccci cccs ccic ccii ccir ccis ccna ccnb ccnc ccni ccnr ccns ccra ccrc ccri ccrs ccsa ccsi ccsn ccss ciaa cian ciar cias ciba cibc cibi cica cicc cici cicr cics ciia ciii ciis cin- cina cinc cini cira cirb circ ciri cirr cirs cis- cisa cisc cisn cisr ciss cnaa cnac cnas cnbc cnci cnib cnic cnna cnrc cnrr cnsa cnss crab crac crai cran crar cras crbc crca crcc crcr cria crib cric crin cris crna crns crsa crss csaa csab csac csar csas cscb cscc csci cscr cscs csia csib csir csis csra csrc csrs cssa cssr iaaa iaac iaai iaas iaba iaca iacc iacr iacs iaia iain iais iana ians iara iarc iars iasa iasc iasi iasr ibac iban ibar ibas ibca ibcs ibia ibis ibns ibra ibrc ibri ibsa ibsn ibss icaa icab icac icai ican icar icas icbc icbs icca iccb iccc icci iccn iccr iccs icis icnb icnc icns icra icrc icrr icrs icsa icsb icsc icsi icsr icss iiac iias iica iiii iiis iira iirc iirs iisc iisi iisr inab inac inai inan inar inas inba inca incb inci incr incs inia inis inna inni innr inns inra inri inrs insa insc inss irac irai iran irar iras irca ircc ircs iri- iria iric irin iris irna irra irrc irri irrs irsa is-a isac isai isan isar isas isba isbn isca iscc isci iscn iscr iscs isia isic isin isis isna isra isri issa issc issi issr isss n-ii naaa naab naac naai naan naar naas naba nabc nabi nabs naca nacc naci nacs naia naib naic nain nair nais nan- nana nanb nani nann nans nara narc nari narn narr nars nas- nasa nasb nasc nasi nasr nass nbaa nbar nbas nbbc nbca nbcc nbci nbcs nbia nbic ncaa ncac ncar ncba ncbc ncbi ncbs ncca nccc ncci nccn nccr nccs ncia ncis ncna ncnc ncra ncrc ncri ncsa ncsc ncsi ncss niab niac nian nias nibi nibs nica nicc nici nics niia niir nina nini nins nira nirs nisa nisi niss nnnn nnsa nnss nrab nras nrca nrcs nric nrna nrrc nrsa nrsc nsaa nsac nsai nsar nsca nscc nscs nsic nsin nsis nsna nsnr nsra nsrc nssa nssb nssc nssr nsss raab raan raas raba rabb rabi rabs rac- raca racc raci racs raia raic raii rain rair rais rana ranc rani rann rans rara rarb rari rars rasa rasc rasi rass rbbb rbbr rbbs rbis rbss rcac rcas rcbc rccb rccc rccs rcic rcis rcnr rcsa rcsc rcsi rcss riaa riab riai rian rias rib- riba ribs rica ricc rics riia riin riis rina rinn riri rirs risa risc risi riss rnai rnas rnbr rncs rnin rras rrna rrrr rsaa rsai rsbi rscc rscn rscs rsis rsna rsnn rsnr rssa s-ib s-ic s-ii sa-c saab saac saan saar saas saba sabb sabc sabi sabr sabs saca sacc saci sacn sacr sacs saia saic sain sair sais sana sani sann sanr sans sara sarc sari sarn sarr sars sasa sasc sasi sass sbaa sbac sbai sbar sbas sbbs sbca sbcc sbcs sbia sbic sbsa sbsi scaa scab scac scai scan scar scas scba scbi sccc sccs sci- scia scic scin scir scis scna scnr scr- scra scrc scri scrn scrs scsa scsc scsi scsn scsr siaa siab siac siai sian sias siba sibc sibi sibs sica sicc sici sics sina sini sinn sins sira sirc siri sirr sirs sisa sisc sisi siss snab snar snas snba snca sncc snia snib snir snns snra snrs sras srbc srcc srib sris srna srni srnn ssaa ssab ssac ssan