-ana a-ii aaaa aaab aaac aaai aaan aaar aaba aabb aabc aabi aaca aacb aacc aaci aacn aacr aaib aaic aaii aain aana aani aara aarc aari abaa abab abac abai aban abar abb- abba abbb abbi abbr abca abcb abcc abci abcn abcr abia abib abic abin abir abra abrc abri acaa acab acac acai acan acar acba acca accc acci aci- acia acic acin acir acr- acra acrc acri acrr aiai aian aiba aibn aica aicc aicr aiia aiib aiic aiin aiir aina ainc aini aira airi ana- anaa anab anac anai anan anar anba anbb anbi anca ancc ania anib anic anin anir anna annb anni anrc anri arab arac arai aran arar arba arbi arc- arca arci aria arib arii arin arna arni arr- arra arrc arri arrr ba-i baaa baan baar baba babb babi babr bac- baca bacc baci bacn baia baib baic bain bair bana banc bani bann banr bar- bara barb barc bari barn barr bbbb bbci bbin bbrc bcaa bcar bcbc bcca bccc bcci bcia bcra bian biar biba bibb bibi bica bicc bici biin bin- bina binc bini binn bira birb biri birn birr bnai bnib bnin bnrr brab brac brai bran brca brcb bria bric brin brna brrr caaa caab caac caan caba cabi cac- caca cacc caci cacr caia caib caic cain cair cana canc cani cann cara carb carc cari carn carr cbac cbar cbbc cbca cbcc cbcn cbcr cbia cbir cbna cbrn ccaa ccab ccac ccai ccar ccba ccbc ccbn ccca cccb cccc ccci ccic ccii ccir ccna ccnb ccnc ccni ccnr ccra ccrc ccri ciaa cian ciar ciba cibc cibi cica cicc cici cicr ciia ciii cin- cina cinc cini cira cirb circ ciri cirr cnaa cnac cnbc cnci cnib cnic cnna cnrc cnrr crab crac crai cran crar crbc crca crcc crcr cria crib cric crin crna iaaa iaac iaai iaba iaca iacc iacr iaia iain iana iara iarc ibac iban ibar ibca ibia ibra ibrc ibri icaa icab icac icai ican icar icbc icca iccb iccc icci iccn iccr icnb icnc icra icrc icrr iiac iica iiii iira iirc inab inac inai inan inar inba inca incb inci incr inia inna inni innr inra inri irac irai iran irar irca ircc iri- iria iric irin irna irra irrc irri n-ii naaa naab naac naai naan naar naba nabc nabi naca nacc naci naia naib naic nain nair nan- nana nanb nani nann nara narc nari narn narr nbaa nbar nbbc nbca nbcc nbci nbia nbic ncaa ncac ncar ncba ncbc ncbi ncca nccc ncci nccn nccr ncia ncna ncnc ncra ncrc ncri niab niac nian nibi nica nicc nici niia niir nina nini nira nnnn nrab nrca nric nrna nrrc raab raan raba rabb rabi rac- raca racc raci raia raic raii rain rair rana ranc rani rann rara rarb rari rbbb rbbr rcac rcbc rccb rccc rcic rcnr riaa riab riai rian rib- riba rica ricc riia riin rina rinn riri rnai rnbr rnin rrna rrrr