-al -ic -ol a-a a-b a-c a-i aaa aab aac aag aai aak aal aao ab- aba abb abc abg abi abk abl abo ac- aca acb acc acg aci ack acl aco ag- aga agb agc agg agi agk agl ago ai- aia aib aic aig aii aik ail aio aka akb akc akg aki akk akl ako al- ala alb alc alg ali alk all alo aoa aob aoc aog aoi aok aol aoo baa bab bac bag bai bak bal bao bba bbb bbc bbg bbi bbk bbl bbo bca bcb bcc bcg bci bck bcl bco bga bgb bgc bgg bgi bgk bgl bgo bi- bia bib bic big bii bik bil bio bka bkb bkc bkg bkk bkl bko bla blb blc blg bli blk bll blo boa bob boc bog boi bok bol boo c-- caa cab cac cag cai cak cal cao cba cbb cbc cbg cbi cbk cbl cbo cca ccb ccc ccg cci cck ccl cco cga cgb cgc cgg cgi cgl cgo ci- cia cib cic cig cii cik cil cio cka ckb ckc cki cko cl- cla clb clc clg cli clk cll clo co- coa cob coc cog coi cok col coo gaa gab gac gag gai gak gal gao gba gbc gbg gbi gbk gbl gbo gca gcb gcc gcg gci gck gcl gco gga ggb ggc ggg ggi ggo gia gib gic gig gii gik gil gio gka gkb gko gla glb glc glg gli glk gll glo goa gob goc gog goi gok gol goo ia- iaa iab iac iag iai ial iao iba ibb ibc ibg ibi ibk ibl ibo ica icb icc icg ici ick icl ico iga igb igc igg igi igk igl igo iia iib iic iii iil iio ika ikb ikc iki ikk ikl iko il- ila ilb ilc ilg ili ilk ill ilo io- ioa iob ioc iog ioi iol ioo ka- kaa kab kac kag kai kak kal kao kba kbb kbc kbi kbk kbl kbo kca kcb kcc kcg kci kck kcl kga kgb kgc kgi kgl kgo kia kib kic kig kii kik kil kio kkb kkc kki kkk kkl kl- kla klb klc klg kli klo koa kob koc kog koi kok kol koo la- laa lab lac lag lai lak lal lao lba lbb lbc lbg lbi lbk lbl lbo lca lcb lcc lcg lci lck lcl lco lga lgb lgc lgg lgi lgk lgl lgo lia lib lic lig lii lik lil lio lka lkb lkg lkl lla llb llc llg lli llk lll llo loa lob loc log loi lok lol loo o-i oaa oab oac oag oai oak oal oao ob- oba obb obc obg obi obk obl obo oc- oca ocb occ ocg oci ock ocl oco oga ogc ogg ogi ogl ogo oia oib oic oii oik oil oio oka okb okc okg oki okk okl oko ola olb olc olg oli olk oll olo oo- ooa oob ooc oog ooi ook ool ooo