a-a a-b a-i a-t aaa aab aaf aai aam aao aar aat ab- aba abb abf abi abm abo abr abt af- afa afb aff afi afm afo afr aft ai- aia aib aif aii aim aio air ait ama amb amf ami amm amo amr amt aoa aob aof aoi aom aoo aor aot ar- ara arb arf ari arm aro arr art at- ata atb atf ati atm ato atr att baa bab baf bai bam bao bar bat bba bbb bbf bbi bbm bbo bbr bbt bfa bfb bff bfi bfm bfo bfr bft bi- bia bib bif bii bim bio bir bit bma bmb bmf bmi bmm bmo bmr bmt boa bob bof boi bom boo bor bot bra brb brf bri brm bro brr brt bta btb btf bti btm bto btr btt faa fab faf fai fam fao far fat fba fbb fbf fbi fbm fbo fbr fbt ffa fff ffi ffm ffo ffr fft fia fib fif fii fim fir fit fma fmb fmf fmi fmm fmo fmr fmt foa fob fof foi fom foo for fot fra frb frf fri frm fro frr frt fta ftb ftf fti ftm fto ftr ftt i-f ia- iaa iab iaf iai iam iao iar iat iba ibb ibf ibi ibm ibo ibr ibt ifa ifb iff ifi ifm ifo ifr ift iia iib iif iii iim iio iir iit im- ima imb imf imi imm imo imt io- ioa iob iof ioi iom ioo ior iot ir- ira irb irf iri irm iro irr irt ita itb itf iti itm ito itt m-f m-o m-r maa mab maf mai mam mao mar mat mba mbb mbf mbi mbm mbo mbr mbt mfa mfb mff mfi mfm mfo mfr mft mi- mia mib mif mii mim mio mir mit mma mmb mmf mmi mmm mmo mmr mmt moa mob mof moi mom moo mor mot mra mrb mrf mri mrm mro mrr mrt mta mtb mtf mti mtm mto mtr mtt o-i oaa oab oaf oai oam oao oar oat ob- oba obb obf obi obm obo obr obt of- ofa ofb off ofi ofm ofo ofr oft oia oib oif oii oim oio oir oit om- oma omb omf omi omm omo omr omt oo- ooa oob oof ooi oom ooo oor oot or- ora orb orf ori orm oro orr ort ot- ota otb otf oti otm oto otr ott ra- raa rab raf rai ram rao rar rat rba rbb rbf rbi rbm rbo rbr rbt rfa rfb rff rfi rfm rfo rfr rft ria rib rif rii rim rio rir rit rma rmb rmf rmi rmm rmo rmr rmt roa rob rof roi rom roo ror rot rra rrb rrf rri rrm rrr rrt rta rtb rtf rti rtm rto rtr rtt taa tab taf tai tam tao tar tat tba tbb tbf tbi tbm tbo tbr tbt tfa tfb tff tfi tfm tfo tfr tft tia tib tif tii tim tio tir tit tma tmb tmf tmi tmm tmo tmr tmt to- toa tob tof toi tom too tor tot tra trb trf tri trm tro trr trt tta ttb ttf tti ttm tto ttr ttt

a-ii aaaa aaab aaaf aaai aaam aaar aaba aabb aabi aabm aabt aafa aafb aaff aafi aaib aaii aama aamb aami aamo aamr aaoo aara aari aarm aaro aart aata aatf aatt abaa abab abaf abai abam abar abat abb- abba abbb abbi abbo abbr abbt abff abia abib abim abir abit abma abmb abmt aboa abob abof aboo abor abot abra abri abro abta afaa afam afao afar afat affa affi affo afft afia afib afif afir afit afma afoa afoo afor afr- afra afri afrm afro afta aiai aiba aibo aiff aiia aiib aiir aimi aimm aimo aioi aira airi airo airt aita aitf aiti aitr aitt amaa amai amam amar amat amb- amba ambi ambo ambr amfm amfr amia amib amif amii amir amit amm- amma ammi ammo amob amof amoi amoo amor amot amra amri amro amta amti amto aoba aoma aora aorb aort aotf arab araf arai aram arar arat arba arbi arfa arfb arff arft aria arib arif arii arim ario arit arma armi armm armo armt aroa arob aroi arom aroo aror arr- arra arri arro arrr arrt arta arti arto artr at-t ataa atab atai atar atat atfb atia atif atim atit atm- atma atmo atob atof atoi atom ator atot atra atri atrm atro atta atti atto attr ba-i baaa baaf baam baar baat baba babb babi babm babo babr baff bafo baft baia baib baio bair bait bama bamb bamf bami bamm bar- bara barb barf bari barm baro barr bart bata batf bati bato batt bbbb bfta bftt biaf biao biar biat biba bibb bibi bibo bifa biff bifi bima bimo bio- bioi biot bira birb biri biro birr birt bita bito bitt bmaa bmir bmmi boab boai boar boat boba bobb bobi bobo bofa boff boi- boii boim boit boma bomb bomi bomt boob boof boom boor boot bor- bora borf bori borm boro borr bort bota botb boti boto bott brab braf brai bram brao brat brfm bria brim brio brit broa brob brom broo bror brot brrm brrr btaa btaf btob btor btrt bttb faaa faam faba fabi fabm fabo fafa faff fafi fafo faim faio fair fait fama fami famo fara farb farm faro farr fart fata fatf fati fato fatt fbar fbom ffar ffff ffii ffrr fftf fiaa fiaf fiar fiat fiba fifa fiff fifi fifm fifo fift fiii fima fimo fimr fior fira firm fita fiti fitt fmri foaf foam foar foba fobt fofo foia foma fomo fomt foof foom foot for- fora forb fori form foro forr fort fota foti fotm foto fott frab fram frat fria frib frim frio frit frob from frot frta ftam ftii iaaa iaai iaat iaba iabm iaff iaia iaim iama iamb iami iamt iara iart iata iati ibar ibat ibbm ibfi