a-a a-b a-i a-t aaa aab aaf aai aam aar aat ab- aba abb abf abi abm abr abt af- afa afb aff afi afm afr aft ai- aia aib aif aii aim air ait ama amb amf ami amm amr amt ar- ara arb arf ari arm arr art at- ata atb atf ati atm atr att baa bab baf bai bam bar bat bba bbb bbf bbi bbm bbr bbt bfa bfb bff bfi bfm bfr bft bi- bia bib bif bii bim bir bit bma bmb bmf bmi bmm bmr bmt bra brb brf bri brm brr brt bta btb btf bti btm btr btt faa fab faf fai fam far fat fba fbb fbf fbi fbm fbr fbt ffa fff ffi ffm ffr fft fia fib fif fii fim fir fit fma fmb fmf fmi fmm fmr fmt fra frb frf fri frm frr frt fta ftb ftf fti ftm ftr ftt i-f ia- iaa iab iaf iai iam iar iat iba ibb ibf ibi ibm ibr ibt ifa ifb iff ifi ifm ifr ift iia iib iif iii iim iir iit im- ima imb imf imi imm imt ir- ira irb irf iri irm irr irt ita itb itf iti itm itt m-f m-r maa mab maf mai mam mar mat mba mbb mbf mbi mbm mbr mbt mfa mfb mff mfi mfm mfr mft mi- mia mib mif mii mim mir mit mma mmb mmf mmi mmm mmr mmt mra mrb mrf mri mrm mrr mrt mta mtb mtf mti mtm mtr mtt ra- raa rab raf rai ram rar rat rba rbb rbf rbi rbm rbr rbt rfa rfb rff rfi rfm rfr rft ria rib rif rii rim rir rit rma rmb rmf rmi rmm rmr rmt rra rrb rrf rri rrm rrr rrt rta rtb rtf rti rtm rtr rtt taa tab taf tai tam tar tat tba tbb tbf tbi tbm tbr tbt tfa tfb tff tfi tfm tfr tft tia tib tif tii tim tir tit tma tmb tmf tmi tmm tmr tmt tra trb trf tri trm trr trt tta ttb ttf tti ttm ttr ttt

a-ii aaaa aaab aaaf aaai aaam aaar aaba aabb aabi aabm aabt aafa aafb aaff aafi aaib aaii aama aamb aami aamr aara aari aarm aart aata aatf aatt abaa abab abaf abai abam abar abat abb- abba abbb abbi abbr abbt abff abia abib abim abir abit abma abmb abmt abra abri abta afaa afam afar afat affa affi afft afia afib afif afir afit afma afr- afra afri afrm afta aiai aiba aiff aiia aiib aiir aimi aimm aira airi airt aita aitf aiti aitr aitt amaa amai amam amar amat amb- amba ambi ambr amfm amfr amia amib amif amii amir amit amm- amma ammi amra amri amta amti arab araf arai aram arar arat arba arbi arfa arfb arff arft aria arib arif arii arim arit arma armi armm armt arr- arra arri arrr arrt arta arti artr at-t ataa atab atai atar atat atfb atia atif atim atit atm- atma atra atri atrm atta atti attr ba-i baaa baaf baam baar baat baba babb babi babm babr baff baft baia baib bair bait bama bamb bamf bami bamm bar- bara barb barf bari barm barr bart bata batf bati batt bbbb bfta bftt biaf biar biat biba bibb bibi bifa biff bifi bima bira birb biri birr birt bita bitt bmaa bmir bmmi brab braf brai bram brat brfm bria brim brit brrm brrr btaa btaf btrt bttb faaa faam faba fabi fabm fafa faff fafi faim fair fait fama fami fara farb farm farr fart fata fatf fati fatt fbar ffar ffff ffii ffrr fftf fiaa fiaf fiar fiat fiba fifa fiff fifi fifm fift fiii fima fimr fira firm fita fiti fitt fmri frab fram frat fria frib frim frit frta ftam ftii iaaa iaai iaat iaba iabm iaff iaia iaim iama iamb iami iamt iara iart iata iati ibar ibat ibbm ibfi ibia ibim ibma ibra ibri ibtb ifaa ifar ifat ifbb ifim ifit ifma ifra ifrb ifrf ifri ifta iifa iiii iiit iira iita iitm iitr iitt imaf imai imam imar imat imba imbi imfi imir imit imma immi immt imra imri imrr imta iraf irai iram irar irbm irfm iri- iria irma irra irri irta irtf irti itaa itaf itai itam itar itat itfa itia itif itim itma itra itrf itri itta ittf ma-i maaa maaf maai maam maar maat maba mabi mafa mafb maff mafi maia maib maif maii maim mair mait mama mamf mami mar- mara marf mari marm marr mart mata mati matr matt mbam mbba mbia mbim mbta mfbm mffa mfri mftf miaa miab miaf miai miam miat mifa miff mifi miii miit mim- mima mimi mira miri mirr mirt mit- mita mitb miti mitm mitt mmaa mmab mmai mmar mmff mmii mmmm mmrf mrbb mrbm mria mrta mrtm mrtt mtaa mtab mtff mtrr mttr raab raaf raam raat raba rabb rabi rafa raff rafi raft raia raif raii raim rair rait rama ramb rami ramm rara rarb rarf rari rata ratf rati ratt rbaf rbbb rbbr rfam riaa riab riai riam riat rib- riba rifa riff rift riia riif rima rimi rimm riri rita riti ritt rmaf rmif rrat rrif rrrr rtai rtbf rtfb rtfm rtmi taa- taaf taar taat taba tabb tabi tafa taff tafi taft taia taim tair tait tama tami tamm tara tarb tarf tari tarm tarr tart tata tatb tati tatr tatt tbaf tbar tbit tbrb tbta tfam tiaa tiab tiaf tiar tiba tibi tifa tiff tift tiit tima timi timm tira tirb tiri tirr tita titi titt tmaa tmbr tmtt traa trab traf trai tram trat trfm trfr tri- tria trib trif trim trit trma trmb trmi trra trtr ttab ttbb ttfa ttff ttim ttma tttt

-aaa- a-fib a-iii a-ram aaaai aaaam aaata aabaa aabba aabra aabtm aafat aafir aaiib aamir aamra aaram aaria aarma aarti aatma abaab ababa abaft abaia abair