-al -ic -ol a-a a-b a-c a-i aaa aab aac aad aaf aai aal aao aas ab- aba abb abc abd abf abi abl abo abs ac- aca acb acc acd acf aci acl aco acs ad- ada adb adc add adf adi adl ado ads af- afa afb afc afd aff afi afl afo afs ai- aia aib aic aid aif aii ail aio ais al- ala alb alc ald alf ali all alo als aoa aob aoc aod aof aoi aol aoo aos as- asa asb asc asd asf asi asl aso ass baa bab bac bad baf bai bal bao bas bba bbb bbc bbd bbf bbi bbl bbo bbs bca bcb bcc bcd bcf bci bcl bco bcs bda bdb bdc bdd bdf bdi bdl bdo bds bfa bfb bfc bfd bff bfi bfl bfo bfs bi- bia bib bic bid bif bii bil bio bis bla blb blc bld blf bli bll blo bls boa bob boc bod bof boi bol boo bos bsa bsb bsc bsd bsf bsi bsl bso bss c-- caa cab cac cad caf cai cal cao cas cba cbb cbc cbd cbf cbi cbl cbo cbs cca ccb ccc ccd ccf cci ccl cco ccs cda cdb cdc cdd cdf cdi cdl cdo cds cfa cfb cfc cfd cff cfi cfl cfo cfs ci- cia cib cic cid cif cii cil cio cis cl- cla clb clc cld clf cli cll clo cls co- coa cob coc cod cof coi col coo cos csa csb csc csd csf csi csl cso css daa dab dac dad daf dai dal dao das dba dbb dbc dbd dbf dbi dbl dbo dbs dca dcb dcc dcd dcf dci dcl dco dcs dda ddb ddc ddd ddf ddi ddl ddo dds dfa dfb dfc dfd dff dfi dfl dfo dfs di- dia dib dic did dif dii dil dio dis dl- dla dlb dlc dld dlf dli dll dlo dls doa dob doc dod dof doi dol doo dos dsa dsb dsc dsd dsf dsi dsl dso dss faa fab fac fad faf fai fal fao fas fba fbb fbc fbd fbf fbi fbl fbo fbs fca fcb fcc fcd fcf fci fcl fco fcs fda fdb fdc fdd fdf fdi fdl fdo fds ffa ffc ffd fff ffi ffl ffo ffs fia fib fic fid fif fii fil fis fla flb flc fld flf fli fll flo fls foa fob foc fof foi fol foo fos fsa fsb fsc fsd fsf fsi fsl fso fss i-d i-f ia- iaa iab iac iad iaf iai ial iao ias iba ibb ibc ibd ibf ibi ibl ibo ibs ica icb icc icd icf ici icl ico ics ida idb idc idd idf idi idl ido ids ifa ifb ifc ifd iff ifi ifl ifo ifs iia iib iic iid iif iii iil iio iis il- ila ilb ilc ild ilf ili ill ilo ils io- ioa iob ioc iod iof ioi iol ioo ios is- isa isb isc isd isf isi isl iso iss la- laa lab lac lad laf lai lal lao las lba lbb lbc lbd lbf lbi lbl lbo lbs lca lcb lcc lcd lcf lci lcl lco lcs lda ldb ldc ldd ldf ldi ldl ldo lds lfa lfb lfc lfd lff lfi lfl lfo lfs lia lib lic lid lif lii lil lio lis lla llb llc lld llf lli lll llo lls loa lob loc lod lof loi lol loo los lsa lsb lsc lsd lsf lsi lsl lso lss o-i oaa oab oac oad oaf oai oal oao oas ob- oba obb obc obd obf obi obl obo obs oc- oca ocb occ ocd ocf oci ocl oco ocs oda odb odc odd odf odi odl odo ods of- ofa ofb ofc ofd off ofi ofl ofo ofs oia oib oic oid oif oii oil oio ois ola olb olc old olf oli oll olo ols oo- ooa oob ooc ood oof ooi ool ooo oos os- osa osb osc osd osf osi osl oso oss saa sab sac sad saf sai sal sao sas sba sbb sbc sbd sbf sbi sbl sbo sbs sca scb scc scd scf sci scl sco scs sda sdb sdc sdd sdf sdi sdl sdo sds sfa sfb sfc sfd sff sfi sfl sfo sfs sia sib sic sid sif sii sil sio sis sla slb slc sld slf sli sll slo sls soa sob soc sod sof soi sol soo sos ss- ssa ssb ssc ssd ssf ssi ssl sso sss

a-do a-ii aaaa aaab aaac aaad aaaf aaai aaal aaas aaba aabb aabc aabd aabi aabl aaca aacb aacc aacd aacf aaci aacl aaco aacs aada aadc aadi aads aafa aafb aafc aafd aaff aafi aafl aaib aaic aaii aais aala aalc aald aali aall aalo aals aaoo aasa aasc aasd aasf aasi aass abaa abab abac abad abaf abai abal abas abb- abba abbb abbi abbo abbs abca abcb abcc abcd abcf abci abcl abcs abda abdi abdo abff abia abib abic abid abil abis abla ablo abls aboa abob abod abof abol aboo abos abs- absa absd absf absi absl abss acaa acab acac acad acai acas acba acbl acca accc accd accf acci acco accs acda acdb acdc acdf acdi acds acfc acfd acfi acfl acfs aci- acia acic acid acif acis acla aclc acli acls acoa acod acol acos acsa acsc acsd acsi acsl acss adaa adab adac adad adai adal adao adas adba adbc adbi adcc adci adcs adda addc addd addi addl addo adds adfa adfc adfl adfs adia adib adic adif adio adis adli adls adob adoc adod adoo ados adsa adsi adsl adso adss afaa afad afao afbs afca afcb afcc afci afcs afdb afdc afdl affa affc affi affo affs afia afib afid afif afil afis afla aflc afoa afol afoo afsa afsb afsc aiai aias aiba aibl aibo aica aicc aicd aicf aics aida aidb aidc aidi aids aifd