a-ii a-ya aaaa aaab aaac aaai aaar aaba aabb aabc aabi aaby aaca aacb aacc aaci aacr aacy aaib aaic aaii aara aarc aari abaa abab abac abai abar abay abb- abba abbb abbi abbr abby abca abcb abcc abci abcr abia abib abic abir abiy abra abrc abri abry abyc abyy acaa acab acac acai acar acba acca accc acci accy aci- acia acic acir acr- acra acrc acri acrr acry aiai aiba aica aicc aicr aiia aiib aiic aiir aira airi airy arab arac arai arar aray arba arbi arby arc- arca arci aria arib arii arr- arra arrc arri arrr arry ary- arya ayar ayay ayca ayra ayry ayya ba-i baaa baar baba babb babi babr baby bac- baca bacc baci baia baib baic bair bar- bara barb barc bari barr bary baya bayi bbay bbbb bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcra biar biba bibb bibi bica bicc bici bira birb biri birr biry biya brab brac brai bray brca brcb bria bric brrr bry- brya byar caaa caab caac caba cabi caby cac- caca cacc caci cacr caia caib caic cair cara carb carc cari carr cary cayr cbac cbar cbbc cbca cbcc cbcr cbia cbir cbry ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci ccic ccii ccir ccra ccrc ccri ciaa ciar ciba cibc cibi cica cicc cici cicr ciia ciii cira cirb circ ciri cirr crab crac crai crar cray crbc crca crcc crcr cria crib cric cry- crya cryb cya- cyaa cyar cyba cybb cybc cybi cyc- cyca cycb cycc cyra cyy- cyyc i-by iaaa iaac iaai iaba iaca iacc iacr iaia iara iarc iayc ibac ibar ibca ibia ibra ibrc ibri ibyi icaa icab icac icai icar icbc icca iccb iccc icci iccr icra icrc icrr icry iiac iica iiii iira iirc irac irai irar irby irca ircc iri- iria iric iriy irra irrc irri iyai iyar raab raba rabb rabi raby rac- raca racc raci racy raia raic raii rair rara rarb rari rary raya rayr rbbb rbbr rcac rcbc rccb rccc rcic rcyc riaa riab riai rib- riba riby rica ricc riia riri riya rrrr ryba yaar yaba yacc yacy yair yara yarb yari yarr yary yaya ybry ycab yccc yirb yirr yyyy