-al -ol a-a a-b a-c aaa aab aac aad aae aak aal aao aau ab- aba abb abc abd abe abk abl abo abu ac- aca acb acc acd ace ack acl aco acu ad- ada adb adc add ade adk adl ado adu aea aeb aec aed aee aek ael aeo aeu aka akb akc akd ake akk akl ako aku al- ala alb alc ald ale alk all alo alu aoa aob aoc aod aoe aok aol aoo aou au- aua aub auc aud aue auk aul auo b-u baa bab bac bad bae bak bal bao bau bba bbb bbc bbd bbe bbk bbl bbo bbu bca bcb bcc bcd bce bck bcl bco bcu bda bdb bdc bdd bde bdk bdl bdo bdu be- bea beb bec bed bee bek bel beo beu bka bkb bkc bke bkk bkl bko bla blb blc bld ble blk bll blo blu boa bob boc bod boe bok bol boo bou bua bub buc bud bue buk bul buo buu c-- caa cab cac cad cae cak cal cao cau cba cbb cbc cbd cbe cbk cbl cbo cbu cca ccb ccc ccd cce cck ccl cco ccu cda cdb cdc cdd cde cdk cdl cdo cdu ce- cea ceb cec ced cee cek cel ceo ceu cka ckb ckc ckd cko cl- cla clb clc cld cle clk cll clo clu co- coa cob coc cod coe cok col coo cou cua cub cuc cud cue cuk cul cuo cuu daa dab dac dad dae dak dal dao dau dba dbb dbc dbd dbe dbk dbl dbo dbu dca dcb dcc dcd dce dck dcl dco dcu dda ddb ddc ddd dde ddk ddl ddo ddu de- dea deb dec ded dee dek del deo deu dka dkb dkc dke dkk dkl dko dku dl- dla dlb dlc dld dle dlk dll dlo dlu doa dob doc dod doe dok dol doo dou dua dub duc dud due duk dul duo eaa eab eac ead eae eak eal eao eau eba ebb ebc ebd ebe ebk ebl ebo ebu ec- eca ecb ecc ecd ece eck ecl eco ecu ed- eda edb edc edd ede edk edl edo edu eea eeb eec eed eee eek eel eeo eka ekb ekc ekd eke ekl eko eku ela elb elc eld ele elk ell elo elu eo- eoa eob eoc eod eoe eok eol eoo eou eu- eua eub euc eud eue eul ka- kaa kab kac kad kae kak kal kao kau kba kbb kbc kbd kbe kbk kbl kbo kbu kca kcb kcc kcd kce kck kcl kcu kda kdb kdc kde kdk kdl kdo kdu ke- kea keb kec ked kee kek kel keo kkb kkc kke kkk kkl kku kl- kla klb klc kld klo klu koa kob koc kod koe kok kol koo kou kub kuc kud kue kuk kul kuu la- laa lab lac lad lae lak lal lao lau lba lbb lbc lbd lbe lbk lbl lbo lbu lca lcb lcc lcd lce lck lcl lco lcu lda ldb ldc ldd lde ldk ldl ldo ldu lea leb lec led lee lek lel leo leu lka lkb lkl lla llb llc lld lle llk lll llo llu loa lob loc lod loe lok lol loo lou lua lub luc lud lue luk lul luo luu oaa oab oac oad oae oak oal oao oau ob- oba obb obc obd obe obk obl obo obu oc- oca ocb occ ocd ock ocl oco ocu oda odb odc odd ode odl odo odu oea oeb oec oed oee oel oeo oka okb okc okd oke okk okl oko oku ola olb olc old ole olk oll olo olu oo- ooa oob ooc ood ook ool ooo ou- oua ouc oud oue ouk oul ouo ua- uaa uab uac uad uae uak ual uao uau uba ubb ubc ube ubk ubl ubo ubu uca ucb ucc ucd uce uck ucl uco ucu uda udb udc udd ude udk udl udo udu uea ueb uec ued uee uel uka ukb ukc uke ukk ukl uku ula ulb ulc uld ule ulk ull ulo ulu uoa uob uoc uod uoe uok uol uoo uua uuc uue uuu

a-ak a-be a-do a-ok aaaa aaab aaac aaad aaae aaal aaba aabb aabc aabd aabl aaca aacb aacc aacd aace aack aacl aaco aacu aada aadc aade aadu aaea aaec aaka aake aaku aala aalc aald aale aall aalo aalu aaoe aaoo abaa abab abac abad abae abak abal abau abb- abba abbb abbe abbo abca abcb abcc abcd abcl abda abdo abdu abec abed abee abel abla able ablo aboa abob abod abok abol aboo abou abua abud abue abuk abul acaa acab acac acad acae acba acbl acca accc accd acce acco accu acda acdb acdc acde ace- acea acec aced acek acel ackd acke acla aclc acle aclu acoa acod acoe acol acou acu- acue acul acuo adaa adab adac adad adae adak adal adao adba adbc adcc adda addc addd adde addl addo addu adea adeb adee adel adeo adle adob adoc adod adoe adok adoo adua adub adue aduk aeac aecb aecl aede aeka aela aelc akaa akae akal akao akca aked akee akel akeu akka akko akku akle aklo akok akua alaa alac alad alae alak alal alao alau alb- alba albc albe albo albu alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee alek aleo aleu alk- alka alkb alkd alke alko alku all- alla alle alll allo allu aloa aloc alod aloe alok alol aloo alou alua aluk aoba aoca aoce aoeu aola aole aoul auaa aube auca auce audc aude audo auel auke aul- aula auld aule aull aulo aulu auol baaa baad baak baal baba babb babe babo babu bac- baca bacc bace back baco bada badb badd bade bado badu baed baek bael bak- baka bake bakl bako baku bala balc bald bale balk ball balo