-al -ol a-a a-b a-i aaa aab aaf aai aal aao aar aas ab- aba abb abf abi abl abo abr abs af- afa afb aff afi afl afo afr afs ai- aia aib aif aii ail aio air ais al- ala alb alf ali all alo alr als aoa aob aof aoi aol aoo aor aos ar- ara arb arf ari arl aro arr ars as- asa asb asf asi asl aso asr ass baa bab baf bai bal bao bar bas bba bbb bbf bbi bbl bbo bbr bbs bfa bfb bff bfi bfl bfo bfr bfs bi- bia bib bif bii bil bio bir bis bla blb blf bli bll blo blr bls boa bob bof boi bol boo bor bos bra brb brf bri brl bro brr brs bsa bsb bsf bsi bsl bso bsr bss faa fab faf fai fal fao far fas fba fbb fbf fbi fbl fbo fbr fbs ffa fff ffi ffl ffo ffr ffs fia fib fif fii fil fir fis fla flb flf fli fll flo flr fls foa fob fof foi fol foo for fos fra frb frf fri frl fro frr frs fsa fsb fsf fsi fsl fso fsr fss i-f ia- iaa iab iaf iai ial iao iar ias iba ibb ibf ibi ibl ibo ibr ibs ifa ifb iff ifi ifl ifo ifr ifs iia iib iif iii iil iio iir iis il- ila ilb ilf ili ill ilo ilr ils io- ioa iob iof ioi iol ioo ior ios ir- ira irb irf iri irl iro irr irs is- isa isb isf isi isl iso isr iss la- laa lab laf lai lal lao lar las lba lbb lbf lbi lbl lbo lbr lbs lfa lfb lff lfi lfl lfo lfr lfs lia lib lif lii lil lio lir lis lla llb llf lli lll llo llr lls loa lob lof loi lol loo lor los lra lrb lrf lri lro lrr lrs lsa lsb lsf lsi lsl lso lsr lss o-i oaa oab oaf oai oal oao oar oas ob- oba obb obf obi obl obo obr obs of- ofa ofb off ofi ofl ofo ofr ofs oia oib oif oii oil oio oir ois ola olb olf oli oll olo ols oo- ooa oob oof ooi ool ooo oor oos or- ora orb orf ori orl oro orr ors os- osa osb osf osi osl oso osr oss ra- raa rab raf rai ral rao rar ras rba rbb rbf rbi rbl rbo rbr rbs rfa rfb rff rfi rfl rfo rfr rfs ria rib rif rii ril rio rir ris rla rlf rli rll rlo rlr rls roa rob rof roi rol roo ror ros rra rrb rrf rri rrl rrr rrs rsa rsb rsf rsi rsl rso rsr rss saa sab saf sai sal sao sar sas sba sbb sbf sbi sbl sbo sbr sbs sfa sfb sff sfi sfl sfo sfr sfs sia sib sif sii sil sio sir sis sla slb slf sli sll slo slr sls soa sob sof soi sol soo sor sos sr- sra srb srf sri srl sro srr srs ss- ssa ssb ssf ssi ssl sso 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 aalo aals aaoo aara aari aaro aars aasa aasf aasi aass abaa abab abaf abai abal abar abas abb- abba abbb abbi abbo abbr abbs abff abia abib abil abir abis abla ablo abls aboa abob abof abol aboo abor abos abra abri abro abrs abs- absa absf absi absl abss afaa afao afar afbs affa affi affo affs afia afib afif afil afir afis afla afoa afol afoo afor afr- afra afri afro afrs afsa afsb aiai aias aiba aibl aibo aiff aifl aifs aiia aiib aiir aila aili ails aioi aira airi airo airs aisa aisb aisi aisl aiso aisr alaa alai alal alao alar alas alb- alba albi albo albs alfa alfi alfs ali- alia alib alif alii alil alio alir alis all- alla alli alll allo allr alls aloa alof aloi alol aloo alor alos alro alsa also aoba aola aora aorb aors aoss arab araf arai aral arar aras arba arbi arbs arfa arfb arff arfs aria arib arif arii aril ario aris arla arli arlo aroa arob aroi aroo aror aros arr- arra arri arro arrr arrs ars- arsa arsi arso asaa asab asaf asai asal asao asar asas asba asbo asfa asfi asia asif asii asil asio asir asis asla asli aslo aslr asob asof asoi asor asos asra asro asrs assa assi assl asso assr asss ba-i baaa baaf baal baar baas baba babb babi babo babr babs baff bafo baia baib bail baio bair bais bala balf bali ball balo bals baol baos bar- bara barb barf bari baro barr bars basa basf basi baso bass bbas bbbb bbbs bblb bbls bfas bffl bffs bfsi bfsr biaf bial biao biar bias biba bibb bibi bibl bibo bibs bifa biff bifi biis bila bili bill bilo bils bio- bioi biol bios bira birb biri birl biro birr birs bis- bisa bisl biso biss blaa blab blas blio blir blis blls blob bloo blss boab boai boal boar boas boba bobb bobi bobo bobs bofa boff bofs boi- boii boil bois bola boli boll bolo bols boob boof bool boor boos bor- bora borf bori boro borr bors bosa bosi boso boss brab braf brai brao bras bria bril brio bris brls broa brob brol broo bror bros brrr brrs brsb brsr bsaa bsas bsfa bsff bsfs bsos bsra faaa faas faba fabi fabo fabs fafa faff fafi fafo fail faio fair fais fala fali fall falo fals fara farb farl faro farr fars fasa fasi faso fass fbar fbis fbla fbrs ffar ffff ffii ffrr ffsa ffss fiaa fiaf fial fiar fias fiba fibs fifa fiff fifi fifo fiii fiil fila fili fill filo fils