-ana aaaa aaab aaan aaar aaba aabb aabt aana aaon aaoo aara aaro aart aata aatt abaa abab aban abar abat abb- abba abbb abbo abbr abbt aboa abob abon aboo abor abot abra abro abta abza ana- anaa anab anan anao anar anat anaz anba anbb anbo anna annb anno annt ano- anoa anon anor ant- anta anto antr antt antz anza aoba aonb aono aont aora aorb aorn aort arab aran arar arat arba arna arno arnt aroa arob aron aroo aror aroz arr- arra arro arrr arrt arta arto artr artz arza arzo at-t ataa atab atan atar atat atna atno atob aton ator atot atoz atra atrn atro atta attn atto attr aza- azab azan azar azat azaz azna azo- azon azoo azor azot azra azza azzo baaa baan baar baat baaz baba babb babo babr bana bann bano banr bant banz baon bar- bara barb barn baro barr bart barz bata batn bato batt batz baza bazo bbbb bnor bnrr bnta boab boan boar boat boaz boba bobb bobo bona bonn bono bont boob boon boor boot booz bor- bora born boro borr bort borz bota botb botn boto bott boza bozo brab bran brao brat braz brna brno broa brob bron broo bror brot broz brrr brza btaa btan btob btor btrt bttb bzzt bzzz naaa naab naan naar naat naba nabo nan- nana nanb nann nano nant naor naot nara narn naro narr nart narz nata nato natt naza nazo nazz nbaa nbar nbbo nnnn nnot nntn noaa noat noba nobo non- nona nonn nono nont noo- noob noon nooo noor noot nor- nora norb norn noro norr nort not- nota noto nott nrab nrna nron nrta ntoz ntto nttr nzar nzra nzrb oara oban obba obbo obon obor obot obra obro onab onan onar onat onna onno onon onor onoz onra ont- onto onza onzo ooaa ooba oona oont oooo oora oort ootb orab oran orao orar orat orba orbb orbo orna orno oro- oron oror orot oroz orra orro orta orto orzo otan otar oto- oton otoo otor otra otro otta otto ozan ozar ozna ozon raab raan raat raaz raba rabb rabo rana rann rano rant ranz raob rara rarb raro rarz rata rato ratt ratz raza razo razr razz rbbb rbbr rnbr rnnt rnot roab roan roar roat rob- roba robb robo robt rona rono ront roob roon roor root rooz rora roro rort rota rotn roto rotr rott roza rozz rrat rrna rrrr rtan rzab taa- taan taar taat taba tabb tabo tana tann tano tant tanz taoa taor tara tarb tarn taro tarr tart tata tatb tato tatr tatt tatz taza tazo tazr tazz tbar tbrb tbta toab toan toat toba tobo tobt tona tonb tonn tono tooa toon toor toot tora torn toro torr tort tota toto totr tott toza tozo traa trab tran trao trat traz trna trno troa tron troo trot trra trtr ttab ttbb tton tttt tzar tzzt z-ro zaan zaar zaat zaba zabo zabr zana zann zano zant zara zarb zaro zarr zaza zbar zoan zoar zoat zobo zon- zona zoo- zoon zoot zora zorb zorn zoro zort zota zott zotz zoza zozo ztoa zzzz