-al -ic -ol a-a a-b a-c a-i aaa aab aac aaf aai aal aam aao aar ab- aba abb abc abf abi abl abm abo abr ac- aca acb acc acf aci acl acm aco acr af- afa afb afc aff afi afl afm afo afr ai- aia aib aic aif aii ail aim aio air al- ala alb alc alf ali all alm alo alr ama amb amc amf ami aml amm amo amr aoa aob aoc aof aoi aol aom aoo aor ar- ara arb arc arf ari arl arm aro arr baa bab bac baf bai bal bam bao bar bba bbb bbc bbf bbi bbl bbm bbo bbr bca bcb bcc bcf bci bcl bcm bco bcr bfa bfb bfc bff bfi bfl bfm bfo bfr bi- bia bib bic bif bii bil bim bio bir bla blb blc blf bli bll blm blo blr bma bmb bmc bmf bmi bml bmm bmo bmr boa bob boc bof boi bol bom boo bor bra brb brf bri brl brm bro brr c-- caa cab cac caf cai cal cam cao car cba cbb cbc cbf cbi cbl cbm cbo cbr cca ccb ccc ccf cci ccl ccm cco ccr cfa cfb cfc cff cfi cfl cfm cfo cfr ci- cia cib cic cif cii cil cim cio cir cl- cla clb clc clf cli cll clm clo clr cma cmb cmc cmf cmi cml cmm cmo cmr co- coa cob coc cof coi col com coo cor cra crb crc crf cri crl crm cro crr faa fab fac faf fai fal fam fao far fba fbb fbc fbf fbi fbl fbm fbo fbr fca fcb fcc fcf fci fcl fcm fco fcr ffa ffc fff ffi ffl ffm ffo ffr fia fib fic fif fii fil fim fir fla flb flc flf fli fll flm flo flr fma fmb fmc fmf fmi fml fmm fmo fmr foa fob foc fof foi fol fom foo for fra frb frc frf fri frl frm fro frr i-f ia- iaa iab iac iaf iai ial iam iao iar iba ibb ibc ibf ibi ibl ibm ibo ibr ica icb icc icf ici icl icm ico icr ifa ifb ifc iff ifi ifl ifm ifo ifr iia iib iic iif iii iil iim iio iir il- ila ilb ilc ilf ili ill ilm ilo ilr im- ima imb imc imf imi iml imm imo io- ioa iob ioc iof ioi iol iom ioo ior ir- ira irb irc irf iri irl irm iro irr la- laa lab lac laf lai lal lam lao lar lba lbb lbc lbf lbi lbl lbm lbo lbr lca lcb lcc lcf lci lcl lcm lco lcr lfa lfb lfc lff lfi lfl lfm lfo lfr lia lib lic lif lii lil lim lio lir lla llb llc llf lli lll llm llo llr lma lmb lmc lmf lmi lml lmm lmo lmr loa lob loc lof loi lol lom loo lor lra lrb lrc lrf lri lrm lro lrr m-f m-o m-r maa mab mac maf mai mal mam mao mar mba mbb mbc mbf mbi mbl mbm mbo mbr mc- mca mcb mcc mcf mci mcl mcm mco mcr mfa mfb mfc mff mfi mfl mfm mfo mfr mi- mia mib mic mif mii mil mim mio mir mla mlb mlc mlf mli mll mlm mlo mlr mma mmb mmc mmf mmi mml mmm mmo mmr moa mob moc mof moi mol mom moo mor mra mrb mrc mrf mri mrl mrm mro mrr o-i oaa oab oac oaf oai oal oam oao oar ob- oba obb obc obf obi obl obm obo obr oc- oca ocb occ ocf oci ocl ocm oco ocr of- ofa ofb ofc off ofi ofl ofm ofo ofr oia oib oic oif oii oil oim oio oir ola olb olc olf oli oll olm olo om- oma omb omc omf omi oml omm omo omr oo- ooa oob ooc oof ooi ool oom ooo oor or- ora orb orc orf ori orl orm oro orr ra- raa rab rac raf rai ral ram rao rar rba rbb rbc rbf rbi rbl rbm rbo rbr rca rcb rcc rcf rci rcl rcm rco rcr rfa rfb rfc rff rfi rfl rfm rfo rfr ria rib ric rif rii ril rim rio rir rla rlc rlf rli rll rlm rlo rlr rma rmb rmc rmf rmi rml rmm rmo rmr roa rob roc rof roi rol rom roo ror rra rrb rrc rrf rri rrl rrm rrr

a-ii aaaa aaab aaac aaaf aaai aaal aaam aaar aaba aabb aabc aabi aabl aabm aaca aacb aacc aacf aaci aacl aacm aaco aacr aafa aafb aafc aaff aafi aafl aaib aaic aaii aala aalc aali aall aalo aama aamb aamc aami aamo aamr aaoo aara aarc aari aarm aaro abaa abab abac abaf abai abal abam abar abb- abba abbb abbi abbo abbr abca abcb abcc abcf abci abcl abcr abff abia abib abic abil abim abir abla ablo abma abmb abmc aboa abob abof abol aboo abor abra abrc abri abro acaa acab acac acai acar acba acbl acca accc accf acci accm acco acfc acfi acfl acfm aci- acia acic acif acim acir acla aclc acli aclr acma acmc acmf acmi acoa acol acom acor acr- acra acrc acri acrm acro acrr afaa afam afao afar afca afcb afcc afci affa affc affi affo afia afib afif afil afir afla aflc afma afmc afoa afol afoo afor afr- afra afrc afri afrm afro aiai aiba aibl aibo aica aicc aicf aicr aiff aifl aiia aiib aiic aiir aila aili ailm aimc aimi aiml aimm aimo aioc aioi aira airi airo alaa alac alai alal alam alao alar alb- alba albc albi albm albo alca alcc alco alfa alfi ali- alia alib alif alii alil alim alio alir all- alla alli alll allo allr alma almc almo aloa aloc alof aloi alol alom aloo alor alro amaa amac amai