a-a a-b a-i a-t a-z aaa aab aai aao aar aat aaz ab- aba abb abi abo abr abt abz ai- aia aib aii aio air ait aiz aoa aob aoi aoo aor aot ar- ara arb ari aro arr art arz at- ata atb ati ato atr att atz az- aza azb azi azo azt azz baa bab bai bao bar bat baz bba bbb bbi bbo bbr bbt bi- bia bib bii bio bir bit biz boa bob boi boo bor bot boz bra brb bri bro brr brt brz bta btb bti bto btr btt btz bza bzo bzr bzz ia- iaa iab iai iao iar iat iaz iba ibb ibi ibo ibr ibt ibz iia iib iii iio iir iit io- ioa iob ioi ioo ior iot ir- ira irb iri iro irr irt ita itb iti ito itt itz iza izi izo izz o-i oaa oab oai oao oar oat ob- oba obb obi obo obr obt oia oib oii oio oir oit oiz oo- ooa oob ooi ooo oor oot or- ora orb ori oro orr ort orz ot- ota otb oti oto otr ott otz oza ozo ozt ozz ra- raa rab rai rao rar rat raz rba rbb rbi rbo rbr rbt ria rib rii rio rir rit riz roa rob roi roo ror rot roz rra rrb rri rrr rrt rta rtb rti rto rtr rtt rtz rza rzb rzo taa tab tai tao tar tat taz tba tbb tbi tbo tbr tbt tbz tia tib tii tio tir tit tiz to- toa tob toi too tor tot toz tra trb tri tro trr trt trz tta ttb tti tto ttr ttt tza zaa zab zai zao zar zat zaz zbb zbr zbt zia zib zio zir zit ziz zo- zoa zob zoi zoo zor zot zro zta ztr zzr zzt zzz

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

-aaa- a-iii aaaai aaata aabaa aabba aabra aaiib aaria aarti abaab ababa abaia abair abait abara abari abati abaza abazi abbai abbar abbat abbia abbot abiit abio- abira abita aboab aboat abobo aboot abora abort abott abrar abrit abriz abtaa abtao abtar abzar abzir aiaia aiazo aibar aiboa airai airba airor airto aitit aitor aort- aorta ar-ab araat arab- araba arabi arabo araia araoz arara arari arata arati aratz arazi arbab arbar arbat arbaz arbia arbib arbir arbit arbor arbot ariab