a-ha aaaa aaab aaah aaar aaas aaav aaba aabb aabh aaha aahs aaoo aara aaro aars aasa aass aava abaa abab abar abas abb- abba abbb abbo abbr abbs abha abho abhr abhs aboa abob aboh aboo abor abos abov abra abro abrs abs- absa abss abva ahab ahah ahar ahas ahha ahhs ahoa ahor ahra ahrr ahrs ahsa ahso ahss ahva aoah aoba aora aorb aors aoss arab arah arar aras arba arbh arbs arh- arhs aroa arob aroo aror aros arr- arra arrh arro arrr arrs ars- arsa arso arva arvo asaa asab asah asao asar asas asba asbo asha ashs asob asor asos asra asro asrs assa assh asso assr asss asva asvs avab avao avar avas avhs avor avos avra avro avva avvo baaa baah baar baas baba babb babo babr babs baha baho bahr bahs baoh baos bar- bara barb barh baro barr bars basa bash baso bass bava bbas bbbb bbbs bbhs bhao bhar bhhs bhor bhra boab boar boas boba bobb bobo bobs boha boho bohr bohs boob booh boor boos bor- bora borh boro borr bors bosa bosh boso boss bova bovo brab brah brao bras brav brhs broa brob broh broo bror bros brrr brrs brsb brsr bsaa bsas bshs bsos bsra bvhs haab haar haas haba habo habs haha haho hahs haor hara harh haro harr hars harv hasa hash hass hava hbar hbbs hbhs hbos hbrs hbss hhaa hhhh hhhs hoar hoas hoba hobo hobs hoha hoho hoor hoos hora horo horr hors hosa hosh hoss hova hovs hras hrhs hrob hros hrso hsas hshs hsob hvar hvhs oahs oara oars oass oavs obas obba obbo obhs obor obos obra obrh obro obsr obss obvs ohba ohho ohhs ohob ohoh ohos ohra ohso ohss ooaa ooba ooha ooho oohs oooh oooo ooos oora oosa orab orah orao orar oras orav orba orbb orbo orbs orhs oro- oror oros orra orro orrs orsa orso orvr orvs osar osas osba osha osho oshs osoo osor osos osov osro ossa ossb osso ovar ovhs ovo- ovoo ovra raab raas raba rabb rabo rabs raha rahr rahs raob raoh raos rara rarb raro rars rasa rash raso rass rava rbbb rbbr rbbs rbhs rboh rbss rhhs rhoa rhob rhoh rhos roab roar roas rob- roba robb robo robs roha rohr rohs roob roor roos rora roro rosa rosh roso ross rova rovo rovs rrah rras rrhs rrrr rsaa rshs rsos rssa rvhs rvvh s-os saab saah saar saas saba sabb sabo sabr sabs saha saho sahr sahs saor saos sara sarh saro sarr sars sarv sasa sash saso sass sava savo savs sbaa sbar sbas sbbs sbhs sbor sbsa shab shah shao shar shas shav shbs shha shhh shhs shoa shoo shor shos shrs shva soar soas soba sobo sobr sobs soha sohh soho sohs soor soos sora sorb sorh soro sorr sors sosa sosh soso soss sosv sova sovo sovs sras srhs sros ssaa ssab ssao ssas ssbr sshs ssra ssrs sssa sssb sssh ssss svar svhs svor vaar vaas vabs vaho vahs vara varr vars vas- vasa vash vaso vass vava vavs vhhh vhhs voar voho voor vor- vora voro vors vosa voso voss vras vrav vrba vrhs vrsa vshs vvhs vvob vvsb vvvv