a-a a-b a-i a-z aaa aab aad aaf aai aao aar aaz ab- aba abb abd abf abi abo abr abz ad- ada adb add adf adi ado adr adz af- afa afb afd aff afi afo afr afz ai- aia aib aid aif aii aio air aiz aoa aob aod aof aoi aoo aor ar- ara arb ard arf ari aro arr arz az- aza azb azd azf azi azo azz baa bab bad baf bai bao bar baz bba bbb bbd bbf bbi bbo bbr bda bdb bdd bdf bdi bdo bdr bdz bfa bfb bfd bff bfi bfo bfr bfz bi- bia bib bid bif bii bio bir biz boa bob bod bof boi boo bor boz bra brb brd brf bri bro brr brz bza bzd bzf bzo bzr bzz daa dab dad daf dai dao dar daz dba dbb dbd dbf dbi dbo dbr dbz dda ddb ddd ddf ddi ddo ddr ddz dfa dfb dfd dff dfi dfo dfr dfz di- dia dib did dif dii dio dir diz doa dob dod dof doi doo dor doz dra drb drd dri dro drr drz dza dzb dzd dzi dzo dzr faa fab fad faf fai fao far faz fba fbb fbd fbf fbi fbo fbr fda fdb fdd fdf fdi fdo fdr ffa ffd fff ffi ffo ffr ffz fia fib fid fif fii fir fiz foa fob fof foi foo for foz fra frb frd frf fri fro frr fzd i-d i-f ia- iaa iab iad iaf iai iao iar iaz iba ibb ibd ibf ibi ibo ibr ibz ida idb idd idf idi ido idr ifa ifb ifd iff ifi ifo ifr ifz iia iib iid iif iii iio iir io- ioa iob iod iof ioi ioo ior ir- ira irb ird irf iri iro irr iza izi izo izz o-i oaa oab oad oaf oai oao oar ob- oba obb obd obf obi obo obr oda odb odd odf odi odo odr of- ofa ofb ofd off ofi ofo ofr ofz oia oib oid oif oii oio oir oiz oo- ooa oob ood oof ooi ooo oor or- ora orb ord orf ori oro orr orz oza ozo ozz ra- raa rab rad raf rai rao rar raz rba rbb rbd rbf rbi rbo rbr rda rdb rdd rdf rdi rdo rdr rfa rfb rfd rff rfi rfo rfr rfz ria rib rid rif rii rio rir riz roa rob rod rof roi roo ror roz rra rrb rrd rrf rri rrr rza rzb rzo zaa zab zad zaf zai zao zar zaz zbb zbr zdf zfa zfd zfr zia zib zid zif zio zir ziz zo- zoa zob zod zof zoi zoo zor zro zzr zzz

a-do a-ii aaaa aaab aaad aaaf aaai aaar aaba aabb aabd aabi aada aadi aafa aafb aafd aaff aafi aaib aaii aaoo aara aard aari aaro abaa abab abad abaf abai abar abb- abba abbb abbi abbo abbr abda abdi abdo abff abia abib abid abir aboa abob abod abof aboo abor abra abri abro abza adaa adab adad adai adao adar adba adbi adda addd addi addo addr adfa adia adib adif adio adir adob adod adoo ador adra adro afaa afad afao afar afdb affa affi affo afia afib afid afif afir afoa afoo afor afr- afra afri afro aiai aiba aibo aida aidb aidi aidr aifd aiff aiia aiib aiid aiir aioi aira aird airi airo aiza aizi aoba aora aorb arab arad araf arai arar arba arbi arda ardf ardi ardo arfa arfb arff aria arib arid arif arii ario ariz aroa arob arod aroi aroo aror aroz arr- arra arri arro arrr arza arzo aza- azab azad azai azar azaz azia aziz azo- azof azoi azoo azor azra azza azzi azzo ba-i baaa baad baaf baar baaz baba babb babi babo babr bada badb badd badi bado badr baff bafo baia baib baid baio bair bar- bara barb bard barf bari baro barr barz baza bazi bazo bbad bbbb bbdd bbdo bd-r bdii biad biaf biao biar biba bibb bibi bibo bida bidi bido bidr bifa biff bifi bio- bioi bira birb bird biri biro birr bizz boab boad boai boar boaz boba bobb bobi bobo boda bodb bodi bodo bofa bofd boff boi- boid boii boob bood boof boor booz bor- bora bord borf bori boro borr borz boza bozi bozo brab brad braf brai brao braz brda brdo bria brid brio briz broa brob brod broo bror broz brrr brza bzzz d-bo daab daad daar daba dabb dabo dada dadi dado dafa daff dafi dafo daia daid daio dair dara darb dard darf dari daro darr darz dazz dbar dbfo dddd dfaf dffa dfrf dfri dia- diab diad diaf diao diar diaz diba dibb dibo dida didi dido dif- difa diff diii dior dira dird dirr dizi dizz doab doar doba dobb dobi dod- doda dodd dodi dodo doff doid doob dood doof door dora dord dorf dori doro dorr doza dozi dozo draa drab drad draf drar drba drda drib drif drob drod drof droz drra dzar dzbb dzbf dzor dzrr faaa faad faba fabd fabi fabo fada fadd fadi fado fafa faff fafi fafo faid faio fair faiz fara farb fard faro farr farz faza fbar fdoa ffar ffff ffii ffrr fiaa fiad fiaf fiar fiba fida fidf fido fifa fiff fifi fifo fiii fior fira fiza fizz foad foaf foar foba foda fofo foia foid food foof for- fora forb ford fori foro forr foza frab frad fria frib frid frio friz frob frzb fzdz iaaa iaai iaba iadb iaff iaia iara ibad ibar ibdo ibfi ibia ibid ibra ibrd ibri ibro idad idar idda iddo idfa idia idid idio idir idra idrf idro ifaa ifao ifar ifbb ifda ifid ifor ifra ifrb ifrf ifri iida iifa iiii iiio iioi iioo iira ioba iobi iod- ioda iodd iodo ioii ioio ioof iooi iooo iora iori irad iraf irai irao irar irda irdo iri- iria