-al -ic a-a a-b a-c a-i aaa aab aac aae aag aai aak aal ab- aba abb abc abe abg abi abk abl ac- aca acb acc ace acg aci ack acl aea aeb aec aee aeg aei aek ael ag- aga agb agc age agg agi agk agl ai- aia aib aic aie aig aii aik ail aka akb akc ake akg aki akk akl al- ala alb alc ale alg ali alk all baa bab bac bae bag bai bak bal bba bbb bbc bbe bbg bbi bbk bbl bca bcb bcc bce bcg bci bck bcl be- bea beb bec bee beg bei bek bel bga bgb bgc bge bgg bgi bgk bgl bi- bia bib bic bie big bii bik bil bka bkb bkc bke bkg bkk bkl bla blb blc ble blg bli blk bll c-- caa cab cac cae cag cai cak cal cba cbb cbc cbe cbg cbi cbk cbl cca ccb ccc cce ccg cci cck ccl ce- cea ceb cec cee ceg cei cek cel cga cgb cgc cge cgg cgi cgl ci- cia cib cic cie cig cii cik cil cka ckb ckc cki cl- cla clb clc cle clg cli clk cll eaa eab eac eae eag eai eak eal eba ebb ebc ebe ebg ebi ebk ebl ec- eca ecb ecc ece ecg eci eck ecl eea eeb eec eee eeg eek eel ega egb egc ege egg egi egl eia eib eic eie eig eii eik eil eka ekb ekc eke ekg eki ekl ela elb elc ele elg eli elk ell gaa gab gac gae gag gai gak gal gba gbc gbe gbg gbi gbk gbl gca gcb gcc gce gcg gci gck gcl ge- gea geb gec gee geg gei gek gel gga ggb ggc ggg ggi gia gib gic gie gig gii gik gil gka gkb gla glb glc gle glg gli glk gll ia- iaa iab iac iae iag iai ial iba ibb ibc ibe ibg ibi ibk ibl ica icb icc ice icg ici ick icl ie- iea iec iee ieg iei iek iel iga igb igc ige igg igi igk igl iia iib iic iie iii iil ika ikb ikc ike iki ikk ikl il- ila ilb ilc ile ilg ili ilk ill ka- kaa kab kac kae kag kai kak kal kba kbb kbc kbe kbi kbk kbl kca kcb kcc kce kcg kci kck kcl ke- kea keb kec kee keg kei kek kel kga kgb kgc kgi kgl kia kib kic kie kig kii kik kil kkb kkc kke kki kkk kkl kl- kla klb klc klg kli la- laa lab lac lae lag lai lak lal lba lbb lbc lbe lbg lbi lbk lbl lca lcb lcc lce lcg lci lck lcl lea leb lec lee leg lei lek lel lga lgb lgc lge lgg lgi lgk lgl lia lib lic lie lig lii lik lil lka lkb lkg lkl lla llb llc lle llg lli llk lll