a-a a-b a-c aaa aab aac aah aao aar ab- aba abb abc abh abo abr ac- aca acb acc ach aco acr aha ahb ahc ahh aho ahr aoa aob aoc aoh aoo aor ar- ara arb arc arh aro arr baa bab bac bah bao bar bba bbb bbc bbh bbo bbr bca bcb bcc bch bco bcr bha bhb bhc bhh bho bhr boa bob boc boh boo bor bra brb brh bro brr c-- caa cab cac cah cao car cba cbb cbc cbh cbo cbr cca ccb ccc cch cco ccr ch- cha chb chc chh cho chr co- coa cob coc coh coo cor cra crb crc crh cro crr haa hab hac hah hao har hba hbb hbc hbh hbo hbr hca hcb hcc hch hco hcr hha hhb hhc hhh hho hhr hoa hob hoc hoh hoo hor hr- hra hrb hrc hrh hro hrr oaa oab oac oah oao oar ob- oba obb obc obh obo obr oc- oca ocb occ och oco ocr oha ohc ohh oho ohr oo- ooa oob ooc ooh ooo oor or- ora orb orc orh oro orr ra- raa rab rac rah rao rar rba rbb rbc rbh rbo rbr rca rcb rcc rch rco rcr rh- rha rhb rhc rhh rho rhr roa rob roc roh roo ror rra rrb rrc rrh rrr

a-ha aaaa aaab aaac aaah aaar aaba aabb aabc aabh aaca aacb aacc aach aaco aacr aaha aaoo aara aarc aaro abaa abab abac abar abb- abba abbb abbo abbr abca abcb abcc abch abcr abha abho abhr aboa abob aboh aboo abor abra abrc abro acaa acab acac acar acba acca accc acch acco acha achh acho achr acoa acoh acor acr- acra acrc acro acrr ahab ahac ahah ahar ahha ahoa ahor ahra ahrc ahrr aoah aoba aoca aora aorb arab arac arah arar arba arbh arc- arca arch arco arh- aroa arob aroo aror arr- arra arrc arrh arro arrr baaa baah baar baba babb babo babr bac- baca bacc bach baco baha baho bahr baoh bar- bara barb barc barh baro barr bbbb bbch bbrc bcaa bcar bcbc bcca bccc bcor bcra bhao bhar bhca bhcc bhor bhra boab boac boar boba bobb bobo boca boch boco boha boho bohr boob booc booh boor bor- bora borh boro borr brab brac brah brao brca brcb broa brob broc broh broo bror brrr c-bo caaa caab caac caah caba cabo cac- caca cacc cach caco cacr caha caor cara carb carc caro carr cbac cbar cbbc cbca cbcc cbcr cbha cbrh ccaa ccab ccac ccar ccba ccbc ccca cccb cccc ccha cchr ccob ccoc ccra ccrc chaa chab chac chah chao char chca chch chha choc choh choo chor chra chrb chrc chro chrr coba cobb cobh cobo coca coch coco coha coho coob cooh cor- cora corb corc coro corr crab crac crar crbc crca crcc crcr crob croc croh croo cror haab haar haba habo haco haha haho haor hara harc harh haro harr hbar hboc hcbc hcca hccb hccc hcch hhaa hhhh hoac hoar hoba hobo hoca hoch hocr hoha hoho hoor hora horc horo horr hrac hrob hrrc oara obba obbo obor obra obrh obro ocab ocac ocbc occa occc ocha ocra ocro ocrr ohba ohcc ohho ohob ohoh ohra ooaa ooba oocr ooha ooho oooh oooo oora orab orac orah orao orar orba orbb orbo orca orch orco oro- oror orra orro raab raba rabb rabo rac- raca racc rach raco raha rahr raob raoc raoh rara rarb raro rbbb rbbr rboh rcac rcbc rcbo rccb rccc rchb rhoa rhob rhoc rhoh roab roar rob- roba robb robo roca rocc roch roco roha rohr roob roor rora rorc roro rrah rrrr

-aaa- aaaah aaaoc aaarc aabaa aabba aabra aacbc aahaa aarah aarch aaroh abaab ababa abaca abaco abara abbac abbar abccc abcho abhar abhor aboab abobo aboha abora aborc abrac abrar acaca acacb acar- acara accho accra achab achao achar achoo achor achro acrab acro- acrob ahhaa ahhha ahoah ahora ahrab ahrar ar-ab ara-c arab- araba arabo araca arach araco arara arbab arbar arbor arch- archa archb arcoa arcor arhar aroab aroar aroba aroha aroor arora arrah arrha babar baboo babra bacab bacao bacar bacca bacco bacha bahar bahco bahor bahra baobh baoro baraa barab barac barao barar barba barca barco barha baro- baroa baroo baror barra barro bhara bhora bo-bo bo-ho boaco boaro bobac bobar boboc bobr bocac bocao bocar bocca bocha bocho bocoa bocor bohor bohra booba booch booco boora borac borah borba borbo borca borch boro- boroa boroo borra borro braca bracc brach braco brobo broca broch broha brora brrar brrrr c-a-c c-cor ca-ca caaba cabob caboc cabra cacao cacha caco- cacoa cahar cahch cahor caoba caraa carab carac carb- carbo caroa carob carra carro ccccc chaab chaac chaah chaar chaba chaca chach chaco char- chara charb charo charr chhab chhar choar choba choca choco choor chor- chora choro co-bo co-co coach coarb coarc cobar cobra cocao cocc- cocco cocha cocoa cohab cohob cohoo cooba cooch corah corba corbo corca coro- corra craba crabb craco croco h-bar h-cho ha-ha habab habba habbo habra habro hacha hahha harab harac harar harbo harch harco haroa harra harro hcooh hhhhh ho-ho ho-oh hobab hobah hobba hobor hobro hocco hooah hooch hooha hoora horah horch horra horro hrach hroch o-r-b oarac oaror obaba obara obhor obora oboro obrab ocara ocaro occar occra ochoa ochra ochro ocora ocr-a ocr-b oh-oh ohaba ohara ohchr ohoba ohrob ooooh ooooo oorah oraba orach orara orcha orobo oroch oroco oroha orrca r-co- ra-ra raaba raaor rabab rabac rabah rabba rabha rabor racah racch racha rahab rccar rharb ro-ro roach robab robar robbo robo- robor rocar rocca rocco rocha rocoa rocor rohob rooah rooba rorra

aaaaba aabach aabroo aacrao abacab abacha abarca abaroa abobra abohar aborah abraha acaro- accara achara achbor achro- ahchoo ahooab ahoora ahrara arabah arabo- aracar aracha ararah ararao arbach arbra arcaro archar aroaco arraba arrach arroba