-ic a-a a-b a-c a-i aaa aab aac aai aak aar aay ab- aba abb abc abi abk abr aby ac- aca acb acc aci ack acr acy ai- aia aib aic aii aik air aiy aka akb akc aki akk akr ar- ara arb arc ari ark arr ary ay- aya ayc ayi ayk ayr baa bab bac bai bak bar bay bba bbb bbc bbi bbk bbr bby bca bcb bcc bci bck bcr bcy bi- bia bib bic bii bik bir biy bka bkb bkc bkk bkr bra brb bri brk brr bry by- bya byc byi byk byr c-- caa cab cac cai cak car cay cba cbb cbc cbi cbk cbr cby cca ccb ccc cci cck ccr ci- cia cib cic cii cik cir cka ckb ckc cki cky cra crb crc cri crk crr cry cya cyb cyc cyk cyr ia- iaa iab iac iai iar iba ibb ibc ibi ibk ibr iby ica icb icc ici ick icr icy iia iib iic iii iir ika ikb ikc iki ikk ikr ir- ira irb irc iri irk irr iry iya iyc iyr iyy ka- kaa kab kac kai kak kar kay kba kbb kbc kbi kbk kbr kca kcb kcc kci kck kcr kia kib kic kii kik kir kkb kkc kki kkk kkr kky kra krc kri krk krr kry kya kyc kyr ra- raa rab rac rai rak rar ray rba rbb rbc rbi rbk rbr rca rcb rcc rci rcr ria rib ric rii rik rir riy rkb rkc rkk rky rra rrb rrc rri rrk rrr ry- rya ryc ryk ryr ryy yaa yab yac yai yak yar yay ybc ybi ybr yby yca ycc yci ycy yii yir yka yki ykk yra yrc yyb yyc yyy

a-ak a-ii a-ya aaaa aaab aaac aaai aaar aaba aabb aabc aabi aaby aaca aacb aacc aaci aack aacr aacy aaib aaic aaii aaka aara aarc aari abaa abab abac abai abak 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 aika aiki aira airi airy akaa akai akar akay akca akia akik akir akka akki akr- akra akyr arab arac arai arak arar aray arba arbi arby arc- arca arci aria arib arii arik arka arki arky arr- arra arrc arri arrk arrr arry ary- arya aryk ayar ayay ayca ayik ayra ayrk ayry ayya ba-i baaa baak baar baba babb babi babr baby bac- baca bacc baci back baia baib baic baik bair bak- baka baki bakr bar- bara barb barc bari bark barr bary baya bayi bbay bbbb bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcra biak biar biba bibb bibi bica bicc bici bick bira birb biri birk birr biry biya bkcy bkry brab brac brai brak bray brca brcb bria bric brik brka brkb brrr bry- brya bryk byar byck byik byki byrk caaa caab caac caba cabi caby cac- caca cacc caci cack cacr caia caib caic caik cair caka caky cara carb carc cari cark carr cary cayr cbac cbar cbbc cbca cbcc cbcr cbia cbir cbka cbkr cbry ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci ccic ccii ccir ccra ccrc ccri ciaa ciak ciar ciba cibc cibi cica cicc cici cicr ciia ciii cika cikr cira cirb circ ciri cirk cirr ckac ckbc ckbi ckck ckcy ckrc ckry crab crac crai crar cray crbc crca crcc crcr cria crib cric crik crkc cry- crya cryb cya- cyaa cyar cyba cybb cybc cybi cyc- cyca cycb cycc cyra cyrk 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 icky icra icrc icrr icry iiac iica iiii iira iirc ikar ikki ikky ikra ikri irac irai irak irar irby irca ircc iri- iria iric iriy irka irki irra irrc irri iyai iyar k-ci kaaa kaab kaai kaak kaar kaay kaba kabb kabc kabi kabr kaby kacb kacc kaci kacy kaia kaib kaic kaii kaik kair kaka kakc kaki kakk kara karb kari kark karr kary kaya kbaa kbab kbac kbai kbak kbar kbay kbba kbbb kbbc kbbi kbbk kbbr kbca kbcb kbci kbck kbcr kbcy kbia kbib kbic kbik kbiy kbkb kbkk kbkr kbky kbra kbrb kbrc kbri kbrk kbry kbya kbyb kbyi kbyr kcaa kcab kcac kcai kcar kcba kcbc kcbi kcbk kcbr kcca kccb kccc kcci kcck kccr kccy kcic kcii kcir kckc kckk kckr kcky kcrc kcri kcrr kcry kcya kcyk kcyy kiab kiac kiai kiar kiba kibb kibc kibi kibr kiby kica kicb kicc kick kicr kicy kiia kiic kiii kiik kika kikc kiki kikk kikr kira kirb kirc kiri kirk kirr kiya kiyi kiyk kkaa kkac kkai kkar kkay kkba kkbb kkbi kkbr kkcb kkci kkck kkcr kkcy kkia kkic kkik kkkk kkrb kkrc kkrk kkrr kkya kkyc kkyy krab krac krai krak krar kray krba krbb krbi krbk krbr krca krcb krcc krci kria krib krik krka krkc krki krkk krkr krky krrb krrc krri krrk krrr krry kryk kryy kyaa kyai kyak kyar kyay kyba kybb kybc kybi kybr kyby kyca kycc kyck kycr kyka kykc kykk kykr kyky kyra kyrc kyrk kyya kyyi kyyk kyyy raab raak raba rabb rabi rabk raby rac- raca racc raci rack racy raia raic raii raik rair raka raki rakk rara rarb rari rark rary raya rayk rayr rbbb rbbr rcac rcbc rccb rccc rcic rcyc riaa riab riai riak rib- riba riby rica ricc rick riia rika riki rikk riri riya rrrr ryba ryck ryki yaak yaar yaba yacc yack yacy yaik yair yaka yaki yara yarb yari yark yarr yary yaya ybry ycab yccc yirb yirk