-al -ol a-a a-b a-c aaa aab aac aad aae aaf aal aao aau ab- aba abb abc abd abe abf abl abo abu ac- aca acb acc acd ace acf acl aco acu ad- ada adb adc add ade adf adl ado adu aea aeb aec aed aee aef ael aeo aeu af- afa afb afc afd afe aff afl afo afu al- ala alb alc ald ale alf all alo alu aoa aob aoc aod aoe aof aol aoo aou au- aua aub auc aud aue auf aul auo b-u baa bab bac bad bae baf bal bao bau bba bbb bbc bbd bbe bbf bbl bbo bbu bca bcb bcc bcd bce bcf bcl bco bcu bda bdb bdc bdd bde bdf bdl bdo bdu be- bea beb bec bed bee bef bel beo beu bfa bfb bfc bfd bfe bff bfl bfo bfu bla blb blc bld ble blf bll blo blu boa bob boc bod boe bof bol boo bou bua bub buc bud bue buf bul buo buu c-- caa cab cac cad cae caf cal cao cau cba cbb cbc cbd cbe cbf cbl cbo cbu cca ccb ccc ccd cce ccf ccl cco ccu cda cdb cdc cdd cde cdf cdl cdo cdu ce- cea ceb cec ced cee cef cel ceo ceu cfa cfb cfc cfd cfe cff cfl cfo cfu cl- cla clb clc cld cle clf cll clo clu co- coa cob coc cod coe cof col coo cou cua cub cuc cud cue cuf cul cuo cuu daa dab dac dad dae daf dal dao dau dba dbb dbc dbd dbe dbf dbl dbo dbu dca dcb dcc dcd dce dcf dcl dco dcu dda ddb ddc ddd dde ddf ddl ddo ddu de- dea deb dec ded dee def del deo deu dfa dfb dfc dfd dfe dff dfl dfo dfu dl- dla dlb dlc dld dle dlf dll dlo dlu doa dob doc dod doe dof dol doo dou dua dub duc dud due duf dul duo eaa eab eac ead eae eaf eal eao eau eba ebb ebc ebd ebe ebf ebl ebo ebu ec- eca ecb ecc ecd ece ecf ecl eco ecu ed- eda edb edc edd ede edf edl edo edu eea eeb eec eed eee eef eel eeo ef- efa efb efc efd efe eff efl efo ela elb elc eld ele elf ell elo elu eo- eoa eob eoc eod eoe eof eol eoo eou eu- eua eub euc eud eue euf eul faa fab fac fad fae faf fal fao fau fba fbb fbc fbd fbe fbf fbl fbo fbu fca fcb fcc fcd fce fcf fcl fco fcu fda fdb fdc fdd fde fdf fdl fdo fdu fea feb fec fed fee fef fel feo feu ffa ffc ffd ffe fff ffl ffo ffu fla flb flc fld fle flf fll flo flu foa fob foc foe fof fol foo fou fua fub fud fue fuf ful fuo fuu la- laa lab lac lad lae laf lal lao lau lba lbb lbc lbd lbe lbf lbl lbo lbu lca lcb lcc lcd lce lcf lcl lco lcu lda ldb ldc ldd lde ldf ldl ldo ldu lea leb lec led lee lef lel leo leu lfa lfb lfc lfd lfe lff lfl lfo lfu lla llb llc lld lle llf lll llo llu loa lob loc lod loe lof lol loo lou lua lub luc lud lue luf lul luo luu oaa oab oac oad oae oaf oal oao oau ob- oba obb obc obd obe obf obl obo obu oc- oca ocb occ ocd ocf ocl oco ocu oda odb odc odd ode odf odl odo odu oea oeb oec oed oee oef oel oeo of- ofa ofb ofc ofd ofe off ofl ofo ofu ola olb olc old ole olf oll olo olu oo- ooa oob ooc ood oof ool ooo ou- oua ouc oud oue ouf oul ouo ua- uaa uab uac uad uae uaf ual uao uau uba ubb ubc ube ubf ubl ubo ubu uca ucb ucc ucd uce ucf ucl uco ucu uda udb udc udd ude udf udl udo udu uea ueb uec ued uee uef uel ufa ufc ufd ufe uff ufl ufo ufu ula ulb ulc uld ule ulf ull ulo ulu uoa uob uoc uod uoe uol uoo uua uuc uue uuu

a-be a-do a-fu aaaa aaab aaac aaad aaae aaaf aaal aaba aabb aabc aabd aabl aaca aacb aacc aacd aace aacf aacl aaco aacu aada aadc aade aadu aaea aaec aafa aafb aafc aafd aaff aafl aala aalc aald aale aall aalo aalu aaoe aaoo abaa abab abac abad abae abaf abal abau abb- abba abbb abbe abbo abca abcb abcc abcd abcf abcl abda abdo abdu abec abed abee abel abff abla able ablo aboa abob abod abof abol aboo abou abua abud abue abuf abul acaa acab acac acad acae acba acbl acca accc accd acce accf acco accu acda acdb acdc acde acdf ace- acea acec aced acel acfc acfd acfe acfl acla aclc acle aclu acoa acod acoe acol acou acu- acue acuf acul acuo adaa adab adac adad adae adal adao adba adbc adcc adda addc addd adde addl addo addu adea adeb adee adel adeo adfa adfc adfl adle adob adoc adod adoe adoo adua adub adue aeac aeaf aecb aecl aede aela aelc afaa afad afao afca afcb afcc afcu afdb afdc afdl afee afel affa affc affo afla aflc afle afoa afoe afol afoo afua afud afue alaa alac alad alae alal alao alau alb- alba albc albe albo albu alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee alef aleo aleu alfa alfe all- alla alle alll allo allu aloa aloc alod aloe alof alol aloo alou alua aluf aoba aoca aoce aoeu aola aole aouf aoul auaa aube auca auce audc aude audo auel aufc aufe aul- aula auld aule aulf aull