a-a a-b a-i aaa aab aaf aag aai aar aas ab- aba abb abf abg abi abr abs af- afa afb aff afg afi afr afs ag- aga agb agf agg agi agr ags ai- aia aib aif aig aii air ais ar- ara arb arf arg ari arr ars as- asa asb asf asg asi asr ass baa bab baf bag bai bar bas bba bbb bbf bbg bbi bbr bbs bfa bfb bff bfg bfi bfr bfs bga bgb bgf bgg bgi bgr bgs bi- bia bib bif big bii bir bis bra brb brf brg bri brr brs bsa bsb bsf bsg bsi bsr bss faa fab faf fag fai far fas fba fbb fbf fbg fbi fbr fbs ffa fff ffg ffi ffr ffs fga fgb fgf fgg fgi fgr fgs fia fib fif fig fii fir fis fra frb frf frg fri frr frs fsa fsb fsf fsg fsi fsr fss gaa gab gaf gag gai gar gas gba gbf gbg gbi gbr gbs gfa gfb gff gfi gfr gfs gga ggb ggg ggi ggr ggs gia gib gif gig gii gir gis gra grb grf grg gri grr grs gsa gsb gsf gsg gsi gsr gss i-f ia- iaa iab iaf iag iai iar ias iba ibb ibf ibg ibi ibr ibs ifa ifb iff ifg ifi ifr ifs iga igb igf igg igi igr igs iia iib iif iii iir iis ir- ira irb irf irg iri irr irs is- isa isb isf isg isi isr iss ra- raa rab raf rag rai rar ras rba rbb rbf rbg rbi rbr rbs rfa rfb rff rfg rfi rfr rfs rga rgb rgf rgg rgi rgr rgs ria rib rif rig rii rir ris rra rrb rrf rrg rri rrr rrs rsa rsb rsf rsg rsi rsr rss saa sab saf sag sai sar sas sba sbb sbf sbg sbi sbr sbs sfa sfb sff sfg sfi sfr sfs sga sgb sgf sgg sgi sgr sgs sia sib sif sig sii sir sis sr- sra srb srf srg sri srr srs ss- ssa ssb ssf ssg ssi ssr sss

a-ii aaaa aaab aaaf aaai aaar aaas aaba aabb aabi aafa aafb aaff aafi aaib aaii aais aara aari aars aasa aasf aasi aass abaa abab abaf abag abai abar abas abb- abba abbb abbi abbr abbs abff abia abib abig abir abis abra abri abrs abs- absa absf absi abss afaa afar afbs affa affi affs afgf afia afib afif afig afir afis afr- afra afri afrs afsa afsb agag agai agar agas agba agfa agga aggi agia agib agig agii agir agis agra agri agsa agsg aiai aias aiba aiff aifs aiga aiia aiib aiir aira airi airs aisa aisb aisg aisi aisr arab araf arag arai arar aras arba arbi arbs arfa arfb arff arfs arga argb argi args aria arib arif arig arii aris arr- arra arrg arri arrr arrs ars- arsa arsi asaa asab asaf asag asai asar asas asba asfa asfi asia asif asii asir asis asra asrg asrs assa assi assr asss ba-i baaa baaf baar baas baba babb babi babr babs baff baga bagg bagi bags baia baib baig bair bais bar- bara barb barf barg bari barr bars basa basf basi bass bbas bbbb bbbs bbga bbrg bfas bffs bfgf bfsi bfsr bggs bgia biaf biar bias biba bibb bibi bibs bifa biff bifi biga bigb bigg bigs biis bira birb birg biri birr birs bis- bisa biss brab braf brag brai bras bria brig bris brrr brrs brsb brsr bsaa bsas bsfa bsff bsfs bsgs bsra faaa faas faba fabi fabs fafa faff fafg fafi fagg fagi fags fair fais fara farb farg farr fars fasa fasi fass fbar fbis fbrs ffar ffff ffii ffrr ffsa ffss fiaa fiaf fiar fias fiba fibs fifa fiff fifi figa figg figs fiii fira firs fisa fisi fiss frab frag fras fria frib frig fris frsb fsai fsas fsfi fsgs fsia fsra fssa fssf gaar gaas gaba gabb gabi gabr gabs gafa gafb gaff gafi gaga gagg gagi gags gaia gaig gair gais gara garb garf garg gari garr gars gasa gasb gasi gasr gass gbag gbas gbbs gffa ggfg gggg ggss giaa giai gias giba gibb gibs giff gifs giga gigg gigi gigs giis gira girg giri girr girs gisa giss grab graf grai gras grbr grfa gria grib grif grig gris grrr grrs grss gsab gsif gsis iaaa iaai iaas iaba iaff iags iaia iais iara iars iasa iasi iasr ibar ibas ibfi ibga ibia ibis ibra ibri ibsa ibsf ibss ifaa ifar ifas ifbb ifis ifra ifrb ifrf ifri ifsa ifsb igar igas igba igfa igga iggs igia igis igra igri iias iifa iiii iiis iira iirs iisi iisr iraf irai irar iras irgs iri- iria irig iris irra irri irrs irsa irsf irsg is-a isaf isai isar isas isba isfa isia isis isra isrg isri issa issf issi issr isss raab raaf raag raas raba rabb rabi rabs rafa raff rafi raga ragg ragi rags raia raif raig raii rair rais rara rarb rarf rari rars rasa rasi rass rbaf rbbb rbbr rbbs rbis rbss rfgs rgba rgbi riaa riab riai rias rib- riba ribs rifa riff rifs riga rigg rigi rigs riia riif riis riri rirs risa risi riss rras rrif rrrr rsaa rsaf rsai rsbi rsgb rsis rssa s-ib s-ii saab saaf saag saar saas saba sabb sabi sabr sabs safa safb saff safi safr saga sagg sagi sags saia saif sair sais sara sarf sarg sari sarr sars sasa sasf sasi sass sbaa sbai sbar sbas sbbs sbia sbig sbsa sbsi sfar sfas sfba sfia sfra sfss sgaa sggg sggs sgss siaa siab siaf siag siai sias siba sibi sibs sifa siff sifr siga sigg sigi sigs sira sirf siri sirr sirs sisa sisi siss sraf sras srfi srgb srib sris ssaa ssab ssas ssbr ssgs ssis ssra ssrg ssri ssrs sssa sssb sssf sssi ssss

-aaa- a-fib a-iii aaaai aaaas