-al -ol a-a a-b aaa aab aad aae aaf aal aao aas aau ab- aba abb abd abe abf abl abo abs abu ad- ada adb add ade adf adl ado ads adu aea aeb aed aee aef ael aeo aes aeu af- afa afb afd afe aff afl afo afs afu al- ala alb ald ale alf all alo als alu aoa aob aod aoe aof aol aoo aos aou as- asa asb asd ase asf asl aso ass asu au- aua aub aud aue auf aul auo aus b-u baa bab bad bae baf bal bao bas bau bba bbb bbd bbe bbf bbl bbo bbs bbu bda bdb bdd bde bdf bdl bdo bds bdu be- bea beb bed bee bef bel beo bes beu bfa bfb bfd bfe bff bfl bfo bfs bfu bla blb bld ble blf bll blo bls blu boa bob bod boe bof bol boo bos bou bsa bsb bsd bse bsf bsl bso bss bsu bua bub bud bue buf bul buo bus buu daa dab dad dae daf dal dao das dau dba dbb dbd dbe dbf dbl dbo dbs dbu dda ddb ddd dde ddf ddl ddo dds ddu de- dea deb ded dee def del deo des deu dfa dfb dfd dfe dff dfl dfo dfs dfu dl- dla dlb dld dle dlf dll dlo dls dlu doa dob dod doe dof dol doo dos dou dsa dsb dsd dse dsf dsl dso dss dsu dua dub dud due duf dul duo dus eaa eab ead eae eaf eal eao eas eau eba ebb ebd ebe ebf ebl ebo ebs ebu ed- eda edb edd ede edf edl edo eds edu eea eeb eed eee eef eel eeo ees ef- efa efb efd efe eff efl efo efs ela elb eld ele elf ell elo els elu eo- eoa eob eod eoe eof eol eoo eos eou es- esa esb esd ese esf esl eso ess esu eu- eua eub eud eue euf eul eus faa fab fad fae faf fal fao fas fau fba fbb fbd fbe fbf fbl fbo fbs fbu fda fdb fdd fde fdf fdl fdo fds fdu fea feb fed fee fef fel feo fes feu ffa ffd ffe fff ffl ffo ffs ffu fla flb fld fle flf fll flo fls flu foa fob foe fof fol foo fos fou fsa fsb fsd fse fsf fsl fso fss fsu fua fub fud fue fuf ful fuo fus fuu la- laa lab lad lae laf lal lao las lau lba lbb lbd lbe lbf lbl lbo lbs lbu lda ldb ldd lde ldf ldl ldo lds ldu lea leb led lee lef lel leo les leu lfa lfb lfd lfe lff lfl lfo lfs lfu lla llb lld lle llf lll llo lls llu loa lob lod loe lof lol loo los lou lsa lsb lsd lse lsf lsl lso lss lsu lua lub lud lue luf lul luo lus luu oaa oab oad oae oaf oal oao oas oau ob- oba obb obd obe obf obl obo obs obu oda odb odd ode odf odl odo ods odu oea oeb oed oee oef oel oeo oes of- ofa ofb ofd ofe off ofl ofo ofs ofu ola olb old ole olf oll olo ols olu oo- ooa oob ood oof ool ooo oos os- osa osb osd ose osf osl oso oss osu ou- oua oud oue ouf oul ouo ous saa sab sad sae saf sal sao sas sau sba sbb sbd sbe sbf sbl sbo sbs sbu sda sdb sdd sde sdf sdl sdo sds sdu se- sea seb sed see sef sel seo ses seu sfa sfb sfd sfe sff sfl sfo sfs sfu sla slb sld sle slf sll slo sls slu soa sob sod soe sof sol soo sos sou ss- ssa ssb ssd sse ssf ssl sso sss ssu sua sub sud sue suf sul suo sus suu ua- uaa uab uad uae uaf ual uao uas uau uba ubb ube ubf ubl ubo ubs ubu uda udb udd ude udf udl udo uds udu uea ueb ued uee uef uel ues ufa ufd ufe uff ufl ufo ufs ufu ula ulb uld ule ulf ull ulo uls ulu uoa uob uod uoe uol uoo uos usa usb usd use usf usl uso uss usu uua uue uus uuu