a-a a-b a-c a-z aaa aab aac aah aao aar aaz ab- aba abb abc abh abo abr abz ac- aca acb acc ach aco acr acz aha ahb ahc ahh aho ahr ahz aoa aob aoc aoh aoo aor ar- ara arb arc arh aro arr arz az- aza azb azo azz baa bab bac bah bao bar baz bba bbb bbc bbh bbo bbr bca bcb bcc bch bco bcr bcz bha bhb bhc bhh bho bhr boa bob boc boh boo bor boz bra brb brh bro brr brz bza bzh bzo bzr bzz c-- caa cab cac cah cao car caz cba cbb cbc cbh cbo cbr cbz cca ccb ccc cch cco ccr ccz ch- cha chb chc chh cho chr chz co- coa cob coc coh coo cor coz cra crb crc crh cro crr crz cz- czc czo haa hab hac hah hao har haz hba hbb hbc hbh hbo hbr hbz hca hcb hcc hch hco hcr hha hhb hhc hhh hho hhr hhz hoa hob hoc hoh hoo hor hr- hra hrb hrc hrh hro hrr hrz hzo oaa oab oac oah oao oar ob- oba obb obc obh obo obr oc- oca ocb occ och oco ocr ocz oha ohc ohh oho ohr oo- ooa oob ooc ooh ooo oor or- ora orb orc orh oro orr orz oza ozo ozz ra- raa rab rac rah rao rar raz 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 roz rra rrb rrc rrh rrr rza rzb rzo zaa zab zac zah zao zar zaz zbb zbc zbr zco zha zhc zho zhr zo- zoa zob zoc zoo zor zrh zro zzr zzz

a-ha aaaa aaab aaac aaah aaar aaba aabb aabc aabh aaca aacb aacc aach aaco aacr aaha aahz 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 abza 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 ahaz 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 aroz arr- arra arrc arrh arro arrr arza arzo aza- azab azar azaz azca azo- azoo azor azra azza azzo baaa baah baar baaz baba babb babo babr bac- baca bacc bach baco bacz baha baho bahr baoh bar- bara barb barc barh baro barr barz baza bazo bbbb bbch bbrc bcaa bcar bcbc bcca bccc bcor bcoz bcra bhao bhar bhca bhcc bhor bhra boab boac boar boaz boba bobb bobo boca boch boco boha boho bohr boob booc booh boor booz bor- bora borh boro borr borz boza bozo brab brac brah brao braz brca brcb broa brob broc broh broo bror broz brrr brza bzzz c-bo caaa caab caac caah caba cabo cac- caca cacc cach caco cacr caha caor caoz cara carb carc caro carr caza cazh cazo 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 chaz 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 cozz crab crac crar crbc crca crcc crcr crcz crob croc croh croo cror croz czar haab haar haba habo haco haha haho haor hara harc harh haro harr harz haza hbar hboc hcbc hcca hccb hccc hcch hhaa hhhh hoac hoar hoba hobo hoca hoch hocr hoha hoho hoor hora horc horo horr hozo 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 oroz orra orro orzo ozar raab raaz raba rabb rabo rac- raca racc rach raco raha rahr raob raoc raoh rara rarb raro rarz raza razo razr razz 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 rooz rora rorc roro roza rozz rrah rrrr rzab z-ro zaar zaba zabo zabr zaca zach zaha zaho zahr zara zarb zaro zarr zaza zbar zcar zhao zhar zhoa zhob zhor zoar zobo zoch zoco zohr zoo- zora zorb zorc zoro zoza zozo zzhz zzzz

-aaa- aaaah aaaoc aaarc aabaa aabba aabra aacbc aahaa aarah aarch aaroh abaab ababa abaca abaco abara abaza abbac abbar abccc abcho abhar abhor aboab abobo aboha abora aborc abrac abrar abzac abzar acaca acacb acar- acara accho accra achab achao achar achaz achoo achor achro acrab acro- acrob ahhaa ahhha ahoah ahora ahrab ahrar ar-ab ara-c arab- araba arabo araca arach araco araoz arara arbab arbar arbaz arbor arch- archa archb arcoa arcor arhar aroab aroar aroba aroha aroor arora arrah arrha arroz arzac arzah arzoo azaca azara azbar azhar azrac azrar azzah babar baboo babra bacab bacao bacar bacca bacco bacha bacza bahar bahco bahor bahra baobh baoro baraa barab barac barao barar baraz barba barca barco barha baro- baroa baroo baror barra barro barza bazac bazar bazha bazoo 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 booza borac borah borba borbo borca borch borcz boro- boroa boroo borra borro borza bozab bozah bozar bozoo braca bracc brach braco braza brazo 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 caraz carb- carbo caroa carob carra