-al -ic a-a a-b a-c a-i aaa aab aac aae aaf aai aak aal ab- aba abb abc abe abf abi abk abl ac- aca acb acc ace acf aci ack acl aea aeb aec aee aef aei aek ael af- afa afb afc afe aff afi afk afl ai- aia aib aic aie aif aii aik ail aka akb akc ake aki akk akl al- ala alb alc ale alf ali alk all baa bab bac bae baf bai bak bal bba bbb bbc bbe bbf bbi bbk bbl bca bcb bcc bce bcf bci bck bcl be- bea beb bec bee bef bei bek bel bfa bfb bfc bfe bff bfi bfl bi- bia bib bic bie bif bii bik bil bka bkb bkc bke bkf bkk bkl bla blb blc ble blf bli blk bll c-- caa cab cac cae caf cai cak cal cba cbb cbc cbe cbf cbi cbk cbl cca ccb ccc cce ccf cci cck ccl ce- cea ceb cec cee cef cei cek cel cfa cfb cfc cfe cff cfi cfk cfl ci- cia cib cic cie cif cii cik cil cka ckb ckc cki cl- cla clb clc cle clf cli clk cll eaa eab eac eae eaf eai eak eal eba ebb ebc ebe ebf ebi ebk ebl ec- eca ecb ecc ece ecf eci eck ecl eea eeb eec eee eef eek eel ef- efa efb efc efe eff efi efl eia eib eic eie eif eii eik eil eka ekb ekc eke ekf eki ekl ela elb elc ele elf eli elk ell faa fab fac fae faf fai fak fal fba fbb fbc fbe fbf fbi fbk fbl fca fcb fcc fce fcf fci fck fcl fea feb fec fee fef fei fek fel ffa ffc ffe fff ffi ffk ffl fia fib fic fie fif fii fik fil fka fkb fkc fkf fki fkk fkl fla flb flc fle flf fli fll i-f ia- iaa iab iac iae iaf iai ial iba ibb ibc ibe ibf ibi ibk ibl ica icb icc ice icf ici ick icl ie- iea iec iee ief iei iek iel ifa ifb ifc ife iff ifi ifl iia iib iic iie iif iii iil ika ikb ikc ike ikf iki ikk ikl il- ila ilb ilc ile ilf ili ilk ill ka- kaa kab kac kae kaf kai kak kal kba kbb kbc kbe kbf kbi kbk kbl kca kcb kcc kce kci kck kcl ke- kea keb kec kee kef kei kek kel kfa kfc kff kfi kia kib kic kie kif kii kik kil kkb kkc kke kki kkk kkl kl- kla klb klc klf kli la- laa lab lac lae laf lai lak lal lba lbb lbc lbe lbf lbi lbk lbl lca lcb lcc lce lcf lci lck lcl lea leb lec lee lef lei lek lel lfa lfb lfc lfe lff lfi lfk lfl lia lib lic lie lif lii lik lil lka lkb lkl lla llb llc lle llf lli llk lll

a-ak a-be a-ii aaaa aaab aaac aaae aaaf aaai aaal aaba aabb aabc aabi aabl aaca aacb aacc aace aacf aaci aack aacl aaea aaec aafa aafb aafc aaff aafi aafl aaib aaic aaii aaka aake aala aalc aale aali aall abaa abab abac abae abaf abai abak abal abb- abba abbb abbe abbi abca abcb abcc abcf abci abcl abec abee abel abff abia abib abic abie abil abla able acaa acab acac acae acai acba acbl acca accc acce accf acci ace- acea acec acek acel acfc acfe acfi acfl aci- acia acic acie acif acke acla aclc acle acli aeac aeaf aebi aecb aeci aecl aeka aela aelc afaa afak afca afcb afcc afci afee afek afel affa affc affi afia afib afif afik afil afka afla aflc afle aiai aiba aibl aica aicc aice aicf aiea aiee aiel aiff aifl aiia aiib aiic aika aike aiki aila aile aili akaa akae akai akal akca akee akel akia akie akif akik akil akka akki akle alaa alac alae alai alak alal alb- alba albc albe albi alca alcc alce alea alec alee alef alek alfa alfe alfi ali- alia alib alie alif alii alik alil alk- alka alkb alke alki all- alla alle alli alll ba-i baaa baaf baak baal baba babb babe babi bac- baca bacc bace baci back baek bael bafc baff baia baib baic baie baik bail bak- baka bake baki bakl bala balc bale balf bali balk ball bbbb bbci bbeb bbfc bblb bcaa bcbc bcca bccc bcci bccl bcec bcfc bcia bcie beaf beak beal beba bebb bebe bebi beca beci beck beeb beef beek beel befa befe beff beia beic beik beil beka beke beki bela bele beli belk bell bfca bffl biaf biak bial biba bibb bibe bibi bibl bica bicc bice bici bick bieb bief biel bifa biff bifi bike bila bile bili bilk bill blaa blab blac blae blak blea bleb blee blei blek blfc blic blik blkb caaa caab caac caaf caal caba cabe cabf cabi cac- caca cacc cace caci cack caec caei cafa cafb cafc cafe caff cafl caia caib caic caik cail caka cake cala calc cale calf cali calk call cbac cbal cbbc cbca cbcc cbce cbcl cbea cbec cbee cbef cbfb cbfc cbia cbka cbkl cblb cblc ccaa ccab ccac ccaf ccai ccba ccbc ccca cccb cccc cccf ccci cccl ccee ccel ccfa ccfc ccff ccfi ccfl ccic ccii ccil ccla cclc ccli ceac ceal ceba cec- ceca cece ceci ceeb ceec ceel cef- cefa cefc ceil ceke cel- cela celc cele celf celi cell cfaa cfab cfac cfae cfbc cfca cfcb cfcf cfcl cffb cfia ciaa ciak cial ciba cibc cibe cibi cica cicc cici ciee ciel cifa cife ciff cifl ciia ciii cika cila cili cilk cill ckac ckbc ckbe ckbi ckck ckcl ckfi cklf clab claf clai clea clec clee clef clei clek clib clic clif clii clik e-cl e-la eaaf eaba