-al a-a a-b a-i aaa aab aaf aai aal aar aas ab- aba abb abf abi abl abr abs af- afa afb aff afi afl afr afs ai- aia aib aif aii ail air ais al- ala alb alf ali all alr als ar- ara arb arf ari arl arr ars as- asa asb asf asi asl asr ass baa bab baf bai bal bar bas bba bbb bbf bbi bbl bbr bbs bfa bfb bff bfi bfl bfr bfs bi- bia bib bif bii bil bir bis bla blb blf bli bll blr bls bra brb brf bri brl brr brs bsa bsb bsf bsi bsl bsr bss faa fab faf fai fal far fas fba fbb fbf fbi fbl fbr fbs ffa fff ffi ffl ffr ffs fia fib fif fii fil fir fis fla flb flf fli fll flr fls fra frb frf fri frl frr frs fsa fsb fsf fsi fsl fsr fss i-f ia- iaa iab iaf iai ial iar ias iba ibb ibf ibi ibl ibr ibs ifa ifb iff ifi ifl ifr ifs iia iib iif iii iil iir iis il- ila ilb ilf ili ill ilr ils ir- ira irb irf iri irl irr irs is- isa isb isf isi isl isr iss la- laa lab laf lai lal lar las lba lbb lbf lbi lbl lbr lbs lfa lfb lff lfi lfl lfr lfs lia lib lif lii lil lir lis lla llb llf lli lll llr lls lra lrb lrf lri lrr lrs lsa lsb lsf lsi lsl lsr lss ra- raa rab raf rai ral rar ras rba rbb rbf rbi rbl rbr rbs rfa rfb rff rfi rfl rfr rfs ria rib rif rii ril rir ris rla rlf rli rll rlr rls rra rrb rrf rri rrl rrr rrs rsa rsb rsf rsi rsl rsr rss saa sab saf sai sal sar sas sba sbb sbf sbi sbl sbr sbs sfa sfb sff sfi sfl sfr sfs sia sib sif sii sil sir sis sla slb slf sli sll slr sls sr- sra srb srf sri srl srr srs ss- ssa ssb ssf ssi ssl ssr sss

a-ii aaaa aaab aaaf aaai aaal aaar aaas aaba aabb aabi aabl aafa aafb aaff aafi aafl aaib aaii aais aala aali aall aals aara aari aars aasa aasf aasi aass abaa abab abaf abai abal abar abas abb- abba abbb abbi abbr abbs abff abia abib abil abir abis abla abls abra abri abrs abs- absa absf absi absl abss afaa afar afbs affa affi affs afia afib afif afil afir afis afla afr- afra afri afrs afsa afsb aiai aias aiba aibl aiff aifl aifs aiia aiib aiir aila aili ails aira airi airs aisa aisb aisi aisl aisr alaa alai alal alar alas alb- alba albi albs alfa alfi alfs ali- alia alib alif alii alil alir alis all- alla alli alll allr alls alsa arab araf arai aral arar aras arba arbi arbs arfa arfb arff arfs aria arib arif arii aril aris arla arli arr- arra arri arrr arrs ars- arsa arsi asaa asab asaf asai asal asar asas asba asfa asfi asia asif asii asil asir asis asla asli aslr asra asrs assa assi assl assr asss ba-i baaa baaf baal baar baas baba babb babi babr babs baff baia baib bail bair bais bala balf bali ball bals bar- bara barb barf bari barr bars basa basf basi bass bbas bbbb bbbs bblb bbls bfas bffl bffs bfsi bfsr biaf bial biar bias biba bibb bibi bibl bibs bifa biff bifi biis bila bili bill bils bira birb biri birl birr birs bis- bisa bisl biss blaa blab blas blir blis blls blss brab braf brai bras bria bril bris brls brrr brrs brsb brsr bsaa bsas bsfa bsff bsfs bsra faaa faas faba fabi fabs fafa faff fafi fail fair fais fala fali fall fals fara farb farl farr fars fasa fasi fass fbar fbis fbla fbrs ffar ffff ffii ffrr ffsa ffss fiaa fiaf fial fiar fias fiba fibs fifa fiff fifi fiii fiil fila fili fill fils fira firs fisa fisi fiss flab flia flii flis frab fras fria frib fril fris frla frsb fsai fsas fsfi fsia fsra fssa fssf iaaa iaai iaal iaas iaba iaff iafl iaia iais iala iall ials iara iars iasa iasi iasr ibar ibas ibfi ibia ibis ibra ibri ibsa ibsf ibss ifaa ifar ifas ifbb ifil ifis ifla ifra ifrb ifrf ifri ifsa ifsb iias iifa iiii iiis iila iira iirs iisi iisr ilal ilar ilas ilia ilir ilis ill- illa illi ills ilsa iraf irai iral irar iras iri- iria iril iris irla irlb irra irri irrs irsa irsf is-a isaf isai isal isar isas isba isbl isfa isia isil isis isla isls isra isri issa issf issi issr isss laaa laal laar laas laba labi labr labs lafb laff laia lail lair lais lala lali lall lara larb larf lari larr lars lasa lasi lass lbar lbia lblr lbrs liar lias liba libr libs lifa liff lifl liia liii liir liis lila lilb lili lill lils lira liri lirl lirr lirs lisa lisi liss llbs llll lral lrba lrif lrrr ls-r lsla lssa lssr raab raaf raas raba rabb rabi rabl rabs rafa raff rafi raia raif raii rail rair rais rala ralb ralf rall rara rarb rarf rari rars rasa rasi rasl rass rbaf rbbb rbbr rbbs rbis rbsl rbss rffl riaa riab riai rial rias rib- riba ribs rifa riff rifs riia riif riis rila rill riri rirs risa risi riss rlab rlif rlls rras rrif rrrr rsaa rsaf rsai rsbi rsis rssa rssl s-ib s-ii saab saaf saal saar saas saba sabb sabi sabr sabs safa safb saff safi safr saia saif sail sair sais sala salf sali sall sals sara sarf sari sarl sarr sars sasa sasf sasi sasl sass sbaa sbai sbar sbas sbbs sbia sbsa sbsi sfar sfas sfba sfia sfla sfls sfra sfss siaa