a-a a-b a-c aaa aab aac aah aar ab- aba abb abc abh abr ac- aca acb acc ach acr aha ahb ahc ahh ahr ar- ara arb arc arh arr baa bab bac bah bar bba bbb bbc bbh bbr bca bcb bcc bch bcr bha bhb bhc bhh bhr bra brb brh brr c-- caa cab cac cah car cba cbb cbc cbh cbr cca ccb ccc cch ccr ch- cha chb chc chh chr cra crb crc crh crr haa hab hac hah har hba hbb hbc hbh hbr hca hcb hcc hch hcr hha hhb hhc hhh hhr hr- hra hrb hrc hrh hrr ra- raa rab rac rah rar rba rbb rbc rbh rbr rca rcb rcc rch rcr rh- rha rhb rhc rhh rhr rra rrb rrc rrh rrr

a-ha aaaa aaab aaac aaah aaar aaba aabb aabc aabh aaca aacb aacc aach aacr aaha aara aarc abaa abab abac abar abb- abba abbb abbr abca abcb abcc abch abcr abha abhr abra abrc acaa acab acac acar acba acca accc acch acha achh achr acr- acra acrc acrr ahab ahac ahah ahar ahha ahra ahrc ahrr arab arac arah arar arba arbh arc- arca arch arh- arr- arra arrc arrh arrr baaa baah baar baba babb babr bac- baca bacc bach baha bahr bar- bara barb barc barh barr bbbb bbch bbrc bcaa bcar bcbc bcca bccc bcra bhar bhca bhcc bhra brab brac brah brca brcb brrr caaa caab caac caah caba cac- caca cacc cach cacr caha cara carb carc carr cbac cbar cbbc cbca cbcc cbcr cbha cbrh ccaa ccab ccac ccar ccba ccbc ccca cccb cccc ccha cchr ccra ccrc chaa chab chac chah char chca chch chha chra chrb chrc chrr crab crac crar crbc crca crcc crcr haab haar haba haha hara harc harh harr hbar hcbc hcca hccb hccc hcch hhaa hhhh hrac hrrc raab raba rabb rac- raca racc rach raha rahr rara rarb rbbb rbbr rcac rcbc rccb rccc rchb rrah rrrr

-aaa- aaaah aaarc aabaa aabba aabra aacbc aahaa aarah aarch abaab ababa abaca abara abbac abbar abccc abhar abrac abrar acaca acacb acar- acara accra achab achar acrab ahhaa ahhha ahrab ahrar ar-ab ara-c arab- araba araca arach arara arbab arbar arch- archa archb arhar arrah arrha babar babra bacab bacar bacca bacha bahar bahra baraa barab barac barar barba barca barha barra bhara braca bracc brach brrar brrrr c-a-c ca-ca caaba cabra cacha cahar cahch caraa carab carac carb- carra ccccc chaab chaac chaah chaar chaba chaca chach char- chara charb charr chhab chhar craba crabb h-bar ha-ha habab habba habra hacha hahha harab harac harar harch harra hhhhh hrach ra-ra raaba rabab rabac rabah rabba rabha racah racch racha rahab rccar rharb

aaaaba aabach abacab abacha abarca abraha accara achara ahrara arabah aracar aracha ararah arbach arbra archar arraba arrach baabaa baabar baarah babaha babarc babbar bacaba baccar baccha bachra bahaar bahaba bahaha bahara bahrah baraca baraha barara barbar barbra barcar barcha bbbbbb bhabar bhabha bhabra bracca brarha caabah cabar cabara cabarr cachaa cachar cahaba caraca carara carcar carcha chabab chabar chacha chacra chahar charab charca charch charr- chhara cracca habach habara habhab hahaha hahara hahhah haraba harach harbar harhar harrah rababa rabbah rachab rachch rahara rahbar rahrah

baabarr babacar bac-cab bacara bacarra baccara bacchar bachhar barabra barbara barchah barhara bbbbbbb bhabhar cabrach cachaca caracca carraca carrara cha-cha chabrac chachar chahbar charara charrah chhabra chhachh chharra cra-cra hababah harbach harrach rababah rah-rah rahabah rarbach rhabarb

abbabach archbach arracach baarbach bachchha bar-abba barabara barbacha bbbbbbbb caracara cararara chabahar chhahara crachach haarbach hahahaha

aarachaar achachach arracacha baabaabaa bacharach brachbach chac-chac chachacha charachar chharchha habrahabr harcarrah rahrahrah

cha-cha-cha

b-a-c-h

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc

hhhhhhhhhhhhhhhhhhhhh