cirb circ ciri cirk ciro cirr cirt cita citb citi cito citt ckac ckat ckbc ckbi ckck ckco ckoa ckob ckoc ckoi ckoo ckor ckot ckrc cktb coai coak coat coba cobb cobi cobo coca cock coco coct coia coir coit cok- coka coko coob cook coot cor- cora corb corc cori cork coro corr cort cota cotb cotc coti coto cott crab crac crai crar crat crbc crca crcc crcr cria crib cric crik crit crkc crob croc crok croo cror crot crrt crtc ctab ctba ctbi ctca ctia ctic ctor ctot ctrc ctta iaaa iaac iaai iaat iaba iaca iacc iacr iact iaia iara iarc iart iata iatc iati ibac ibar ibat ibca ibia ibot ibra ibrc ibri ibro ibtb ibtc icaa icab icac icai icao icar icat icbc icca iccb iccc icci icco iccr icct icoc icor icra icrc icrr icrt icta iiac iica iiii iiio iiit iioi iioo iira iirc iita iitr iitt ikar ikat ikki ikko ikoo ikra ikri ioba iobi ioci ioii ioio ioit ioko iooi iooo iora iori iota ioto irac irai irak irao irar irca ircc iri- iria iric irio irka irki irob iroc irra irrc irri irta irti itaa itac itai itak itar itat itia itic itko itoi itoo itor itra itri itta itto k-ci kaaa kaab kaai kaak kaar kaat kaba kabb kabc kabi kabo kabr kacb kacc kaci kaco kact kaia kaib kaic kaii kaik kaio kair kait kaka kakc kaki kakk kako kakt kaoa kaoc kaoi kaok kaor kara karb kari kark karo karr kart kat- kata katb katc kati katk kato katr katt kbaa kbab kbac kbai kbak kbar kbat kbba kbbb kbbc kbbi kbbk kbbo kbbr kbbt kbca kbcb kbci kbck kbco kbcr kbct kbia kbib kbic kbik kbio kbit kbkb kbkk kbko kbkr kboa kbob kboc kboi kbok kboo kbot kbra kbrb kbrc kbri kbrk kbro kbrt kbta kbtb kbtc kbtk kbto kbtr kbtt kcaa kcab kcac kcai kcar kcat kcba kcbc kcbi kcbk kcbr kcca kccb kccc kcci kcck kccr kcct kcic kcii kcir kcit kckc kckk kcko kckr kcob kcor kcot kcrc kcri kcro kcrr kcrt kcta kctb kctc kcti kcto kiab kiac kiai kiar kiba kibb kibc kibi kibo kibr kibt kica kicb kicc kick kicr kict kiia kiic kiii kiik kiit kika kikc kiki kikk kiko kikr kikt kioa kioc kioi kiok kioo kiot kira kirb kirc kiri kirk kiro kirr kirt kita kitc kiti kito kitr kitt kkaa kkac kkai kkar kkat kkba kkbb kkbi kkbo kkbr kkbt kkcb kkci kkck kkco kkcr kkct kkia kkic kkik kkit kkkk kkoa kkob kkoo kkor kkot kkrb kkrc kkrk kkro kkrr kkrt kktc kktk koab koac koai koak koar koba kobb kobc kobi kobk kobo kobr koca kocb koci kock koct koii koir koit koka kokb kokc koki kokk koko kokr koob kooc kooi kook kooo koor koot kora korb korc kori kork koro korr kort kota kotb kotc koti kotk koto kotr kott krab krac krai krak krar krat krba krbb krbi krbk krbr krbt krca krcb krcc krci krco kria krib krik krio krit krka krkc krki krkk krko krkr kroa krob kroc kroi krok kroo kror krrb krrc krri krrk krro krrr krrt krta krtc krti krtk krto krtr ktaa ktai ktak ktao ktar ktat ktba ktbb ktbc ktbr ktbt ktcc ktck ktco ktcr ktia ktib ktic ktik ktkb ktkc ktkk ktko ktkr ktkt ktob ktoc ktok ktoo ktor ktot ktrb ktrc ktri ktrk ktro ktrr ktrt kttc ktti kttk ktto kttr kttt oaic oara obai obak obba obbo obia obit obkb oboi obok obor obot obra obri obro ocab ocac ocak ocat ocbc occa occc occi occt ocra ocro ocrr oct- octa octi octo oiba oici oick oiii oiko oira oirt oita oitc oiti okak okia okic okir okka okko okok okor okot okra okro okta okto ooaa ooak ooba oobi oocr ooia oooo oora oort ootb orab orac orai orak orao orar orat orba orbb orbi orbo orca orci orco ori- oria oric orio orit orka orko oro- orok oror orot orra orri orro orta ortc orto otac otak otar otic otit oto- otok otoo otor otra otro otta otti otto raab raak raat raba rabb rabi rabk rabo rac- raca racc raci rack raco ract raia raic raii raik rair rait raka raki rakk rakt raob raoc raok rara rarb rari rark raro rata rati ratk rato ratt rbbb rbbr rcac rcbc rcbo rccb rccc rcic rctc rcti riaa riab riai riak riat rib- riba ribo rica ricc rick rico rict riia rika riki rikk riot riri rita riti rito ritt roab roak roar roat rob- roba robb robi robo robt roca rocc rock roco roia roik roio roir roit roka roki rokk roko rokr roob rooi rook roor root rora rorc rori rork roro rort rota rotc roti rotk roto rotr rott rrat rrrr rtai rtca rtcc taa- taar taat taba tabb tabc tabi tabo taca tacc taci tack taco tact taia taik taio tair tait taka taki takk tako takt taoa taor tara tarb tarc tari tark taro tarr tart tata tatb tati tato tatr tatt tbar tbca tbcb tbcc tbit tbrb tbta tcca tccc tctc tiaa tiab tiao tiar tiba tibi tica ticc tick tico tiit tika tiki tiko tira tirb tiri tiro tirr tita titc titi tito titt tkac toab toat toba tobi tobo tobt toca toci tock toco toit toka toki toko tooa took toor toot tora torc tori tork toro torr tort tota totc toti toto totr tott traa trab trac trai trak trao trat trca trcc tri- tria trib tric trik trio trit troa troc troi troo trot trra trtc trtr ttab ttbb tttt

-aaa- a-iii aaaai aaaoc aaarc aaata aabaa aabba aabra aacbc aaiib aakko aaria aarti abaab ababa abaca abaci aback abaco abaia abair abait abaka abako abara abari abati abbac abbai abbar abbat abbia abbot abccc abici abiit abiko abio- abira abita abkar abkoo abkot aboab aboat abobo aboki abook aboot abora aborc abort abott abrac