a-a a-b a-c aaa aab aac aao aar ab- aba abb abc abo abr ac- aca acb acc aco acr aoa aob aoc aoo aor ar- ara arb arc aro arr baa bab bac bao bar bba bbb bbc bbo bbr bca bcb bcc bco bcr boa bob boc boo bor bra brb bro brr c-- caa cab cac cao car cba cbb cbc cbo cbr cca ccb ccc cco ccr co- coa cob coc coo cor cra crb crc cro crr oaa oab oac oao oar ob- oba obb obc obo obr oc- oca ocb occ oco ocr oo- ooa oob ooc ooo oor or- ora orb orc oro orr ra- raa rab rac rao rar rba rbb rbc rbo rbr rca rcb rcc rco rcr roa rob roc roo ror rra rrb rrc rrr

aaaa aaab aaac aaar aaba aabb aabc aaca aacb aacc aaco aacr aaoo aara aarc aaro abaa abab abac abar abb- abba abbb abbo abbr abca abcb abcc abcr aboa abob aboo abor abra abrc abro acaa acab acac acar acba acca accc acco acoa acor acr- acra acrc acro acrr aoba aoca aora aorb arab arac arar arba arc- arca arco aroa arob aroo aror arr- arra arrc arro arrr baaa baar baba babb babo babr bac- baca bacc baco bar- bara barb barc baro barr bbbb bbrc bcaa bcar bcbc bcca bccc bcor bcra boab boac boar boba bobb bobo boca boco boob booc boor bor- bora boro borr brab brac brao brca brcb broa brob broc broo bror brrr c-bo caaa caab caac caba cabo cac- caca cacc caco cacr caor cara carb carc caro carr cbac cbar cbbc cbca cbcc cbcr ccaa ccab ccac ccar ccba ccbc ccca cccb cccc ccob ccoc ccra ccrc coba cobb cobo coca coco coob cor- cora corb corc coro corr crab crac crar crbc crca crcc crcr crob croc croo cror oara obba obbo obor obra obro ocab ocac ocbc occa occc ocra ocro ocrr ooaa ooba oocr oooo oora orab orac orao orar orba orbb orbo orca orco oro- oror orra orro raab raba rabb rabo rac- raca racc raco raob raoc rara rarb raro rbbb rbbr rcac rcbc rcbo rccb rccc roab roar rob- roba robb robo roca rocc roco roob roor rora rorc roro rrrr

-aaa- aaaoc aaarc aabaa aabba aabra aacbc abaab ababa abaca abaco abara abbac abbar abccc aboab abobo abora aborc abrac abrar acaca acacb acar- acara accra acrab acro- acrob ar-ab ara-c arab- araba arabo araca araco arara arbab arbar arbor arcoa arcor aroab aroar aroba aroor arora babar baboo babra bacab bacao bacar bacca bacco baoro baraa barab barac barao barar barba barca barco baro- baroa baroo baror barra barro bo-bo boaco boaro bobac bobar boboc bobr bocac bocao bocar bocca bocoa bocor booba booco boora borac borba borbo borca boro- boroa boroo borra borro braca bracc braco brobo broca brora brrar brrrr c-a-c c-cor ca-ca caaba cabob caboc cabra cacao caco- cacoa caoba caraa carab carac carb- carbo caroa carob carra carro ccccc co-bo co-co coarb coarc cobar cobra cocao cocc- cocco cocoa cooba corba corbo corca coro- corra craba crabb craco croco o-r-b oarac oaror obaba obara obora oboro obrab ocara ocaro occar occra ocora ocr-a ocr-b ooooo oraba orara orobo oroco orrca r-co- ra-ra raaba raaor rabab rabac rabba rabor rccar ro-ro robab robar robbo robo- robor rocar rocca rocco rocoa rocor rooba rorra

aaaaba aabroo aacrao abacab abarca abaroa abobra acaro- accara arabo- aracar ararao arbra arcaro aroaco arraba arroba baabaa baabar baaror babaco babarc babbar bacaba baccar bacoor baobab bar-or baraca barara barbar barbra barbro barcar barcoo baroco bbbbbb boabab bobara bobbar boccob bococa booboo borbor bororo bracca bracco brocca brocco brocor cabar cabara cabarr caccao caraca caraco carara carbo- carbro carcar caroba carora carrao carrob cobbob cobbra cocco- cococo cocora coocoo crabro cracca crocco oooooo orbara rababa raboc rococo

araroba arrorro baabarr babacar bac-cab bacara bacarra baccara baraboo barabra baracoa barbara barbaro barbora barcabo barocco barroca bbbbbbb bobbarr boccaro boo-boo boorara bracora caborca carabao caracca caracoa carbora carraca carrara carraro cobbora coracao coraco- corbara cra-cra o-o-a-a oroboro rababoo raccroc roboboa robocar rococco roo-bar roobarb

abracaco arcobara bar-abba barabara barabora barbacoa barococo barracao bbbbbbbb bo-bo-bo bobaraba bocaraca borabora cabrobo caracara caracora cararara carrboro cocoroco coracora corocoro oracao

baabaabaa barrabora barracora borborbor corcobara roocoocoo

rococococo

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