a-ii aaaa aaab aaai aaar aaba aabb aabi aabt aaib aaii aaoo aara aari aaro aart aata aatt abaa abab abai abar abat abb- abba abbb abbi abbo abbr abbt abia abib abir abit aboa abob aboo abor abot abra abri abro abta abza aiai aiba aibo aiia aiib aiir aioi aira airi airo airt aita aiti aitr aitt aiza aizi aoba aora aorb aort arab arai arar arat arba arbi aria arib arii ario arit ariz aroa arob aroi aroo aror aroz arr- arra arri arro arrr arrt arta arti arto artr artz arza arzo at-t ataa atab atai atar atat atia atit atob atoi ator atot atoz atra atri atro atta atti atto attr aza- azab azai azar azat azaz azia aziz azo- azoi azoo azor azot azra azza azzi azzo ba-i baaa baar baat baaz baba babb babi babo babr baia baib baio bair bait bar- bara barb bari baro barr bart barz bata bati bato batt batz baza bazi bazo bbbb biao biar biat biba bibb bibi bibo bio- bioi biot bira birb biri biro birr birt bita bito bitt bitz bizz boab boai boar boat boaz boba bobb bobi bobo boi- boii boit boob boor boot booz bor- bora bori boro borr bort borz bota botb boti boto bott boza bozi bozo brab brai brao brat braz bria brio brit briz broa brob broo bror brot broz brrr brza btaa btob btor btrt bttb bzzt bzzz iaaa iaai iaat iaba iaia iara iart iata iati ibar ibat ibia ibot ibra ibri ibro ibtb iiii iiio iiit iioi iioo iira iita iitr iitt ioba iobi ioii ioio ioit iooi iooo iora iori iota ioto irai irao irar iri- iria irio irob irra irri irta irti itaa itai itar itat itia itoi itoo itor itra itri itta itto itza izar izba izia izra izzo oara obai obba obbo obia obit oboi obor obot obra obri obro oiba oiii oira oirt oita oiti oitz ooaa ooba oobi ooia oooo oora oort ootb oozi orab orai orao orar orat orba orbb orbi orbo ori- oria orio orit oro- oror orot oroz orra orri orro orta orto orzo otar otit oto- otoo otor otra otro otta otti otto otzi ozai ozar raab raat raaz raba rabb rabi rabo raia raii rair rait raiz raob rara rarb rari raro rarz rata rati rato ratt ratz raza razi razo razr razz rbbb rbbr riaa riab riai riat riaz rib- riba ribo riia riot rioz riri rita riti rito ritt ritz riza rizi rizz roab roar roat rob- roba robb robi robo robt roia roio roir roit roiz roob rooi roor root rooz rora rori roro rort rota roti roto rotr rott roza rozi rozz rrat rrrr rtai rzab taa- taar taat taba tabb tabi tabo taia taio tair tait taiz taoa taor tara tarb tari taro tarr tart tata tatb tati tato tatr tatt tatz taza tazi tazo tazr tazz tbar tbit tbrb tbta tiaa tiab tiao tiar tiba tibi tiit tira tirb tiri tiro tirr tita titi tito titt titz tiza tizi tizz toab toat toba tobi tobo tobt toit tooa toor toot tora tori toro torr tort tota toti toto totr tott toza tozo traa trab trai trao trat traz tri- tria trib trio trit triz troa troi troo trot trra trtr ttab ttbb tttt tzar tzzt z-ro zaar zaat zaba zabi zabo zabr zaia zaio zara zarb zari zaro zarr zati zaza zazi zbar ziar ziaz ziba zibo zira ziri ziro zita ziti zito ziza zizi zizz zoar zoat zobo zoia zoio zoo- zoot zora zorb zori zoro zort zota zoti zott zotz zoza zozo ztoa zzzz