-al -ic -ol a-a a-b a-c a-i aaa aab aac aag aai aal aao aas ab- aba abb abc abg abi abl abo abs ac- aca acb acc acg aci acl aco acs ag- aga agb agc agg agi agl ago ags ai- aia aib aic aig aii ail aio ais al- ala alb alc alg ali all alo als aoa aob aoc aog aoi aol aoo aos as- asa asb asc asg asi asl aso ass baa bab bac bag bai bal bao bas bba bbb bbc bbg bbi bbl bbo bbs bca bcb bcc bcg bci bcl bco bcs bga bgb bgc bgg bgi bgl bgo bgs bi- bia bib bic big bii bil bio bis bla blb blc blg bli bll blo bls boa bob boc bog boi bol boo bos bsa bsb bsc bsg bsi bsl bso bss c-- caa cab cac cag cai cal cao cas cba cbb cbc cbg cbi cbl cbo cbs cca ccb ccc ccg cci ccl cco ccs cga cgb cgc cgg cgi cgl cgo cgs ci- cia cib cic cig cii cil cio cis cl- cla clb clc clg cli cll clo cls co- coa cob coc cog coi col coo cos csa csb csc csg csi csl cso css gaa gab gac gag gai gal gao gas gba gbc gbg gbi gbl gbo gbs gca gcb gcc gcg gci gcl gco gcs gga ggb ggc ggg ggi ggo ggs gia gib gic gig gii gil gio gis gla glb glc glg gli gll glo gls goa gob goc gog goi gol goo gos gsa gsb gsc gsg gsi gsl gso gss ia- iaa iab iac iag iai ial iao ias iba ibb ibc ibg ibi ibl ibo ibs ica icb icc icg ici icl ico ics iga igb igc igg igi igl igo igs iia iib iic iii iil iio iis il- ila ilb ilc ilg ili ill ilo ils io- ioa iob ioc iog ioi iol ioo ios is- isa isb isc isg isi isl iso iss la- laa lab lac lag lai lal lao las lba lbb lbc lbg lbi lbl lbo lbs lca lcb lcc lcg lci lcl lco lcs lga lgb lgc lgg lgi lgl lgo lgs lia lib lic lig lii lil lio lis lla llb llc llg lli lll llo lls loa lob loc log loi lol loo los lsa lsb lsc lsg lsi lsl lso lss o-i oaa oab oac oag oai oal oao oas ob- oba obb obc obg obi obl obo obs oc- oca ocb occ ocg oci ocl oco ocs oga ogc ogg ogi ogl ogo ogs oia oib oic oii oil oio ois ola olb olc olg oli oll olo ols oo- ooa oob ooc oog ooi ool ooo oos os- osa osb osc osg osi osl oso oss saa sab sac sag sai sal sao sas sba sbb sbc sbg sbi sbl sbo sbs sca scb scc scg sci scl sco scs sga sgb sgc sgg sgi sgl sgo sgs sia sib sic sig sii sil sio sis sla slb slc slg sli sll slo sls soa sob soc sog soi sol soo sos ss- ssa ssb ssc ssg ssi ssl sso sss