a-ha aaaa aaab aaad aaah aaar aaav aaba aabb aabd aabh aabt aada aadt aaha aara aard aart aata aatt aava abaa abab abad abar abat abb- abba abbb abbr abbt abda abha abhr abra abta abva abvd adaa adab adad adah adar adat adba adda addd addr adha adhd adra adta advb advt ahab ahad ahah ahar ahat ahha ahra ahrr ahta ahva arab arad arah arar arat arba arbh arda arh- arr- arra arrh arrr arrt arta arth artr artv arva at-t ataa atab atad atar atat atdt atha atra atta attr avab avar avat avda avra avva baaa baad baah baar baat baba babb babr bada badb badd badh badr baha bahr baht bar- bara barb bard barh barr bart bata bath batt bava bbad bbbb bbdd bd-r bdav bddh bhar bhat bhra bhrt brab brad brah brat brav brda brdt brrr btaa btdt btrt bttb d-tv daab daad daar daba dabb dabt dada daha dara darb dard darr dart data datr datt dava dbar dbtt dddd ddtv dhaa dhad dhar dhat draa drab drad drar drat drba drda drra dtaa dthd dvar dvda dvdr dvra haab haad haar haat haba habt hada hadh haha haht hara hard harh harr hart harv hata hatb hath hatt hava hbar hdda hdra hdtt hdtv hhaa hhat hhhh hrad hrta hrtb hrtv htab htra httr hvar hvat hvtr raab raad raat raba rabb rada radd radh radr radt raha rahr raht rara rarb rata rath ratt rava rbbb rbbr rrad rrah rrat rrrr rtdt rtva rvvh taa- taar taat taba tabb tada taha tahr tara tarb tard tarr tart tata tatb tath tatr tatt tatv tava tbar tbrb tbta tddb tdra tdtv thaa thad thar that thdr thra thtb thtr traa trab trad trat trav trra trtr ttab ttbb tttt tvad tvhb tvrr tvtv vaad vaar vaat vada vara vard varr vart vata vath vatt vava vhhh vrav vrba vvvv