-al -ol a-a a-b a-c aaa aab aac aad aak aal aan aao aau ab- aba abb abc abd abk abl abn abo abu ac- aca acb acc acd ack acl acn aco acu ad- ada adb adc add adk adl adn ado adu aka akb akc akd akk akl akn ako aku al- ala alb alc ald alk all aln alo alu an- ana anb anc and ank anl ann ano anu aoa aob aoc aod aok aol aon aoo aou au- aua aub auc aud auk aul aun auo b-u baa bab bac bad bak bal ban bao bau bba bbb bbc bbd bbk bbl bbn bbo bbu bca bcb bcc bcd bck bcl bcn bco bcu bda bdb bdc bdd bdk bdl bdo bdu bka bkb bkc bkk bkl bkn bko bla blb blc bld blk bll bln blo blu bna bnb bnc bnd bnk bnl bnn bno bnu boa bob boc bod bok bol bon boo bou bua bub buc bud buk bul bun buo buu c-- caa cab cac cad cak cal can cao cau cba cbb cbc cbd cbk cbl cbn cbo cbu cca ccb ccc ccd cck ccl ccn cco ccu cda cdb cdc cdd cdk cdl cdn cdo cdu cka ckb ckc ckd cko cl- cla clb clc cld clk cll cln clo clu cn- cna cnb cnc cnd cnl cnn cno cnu co- coa cob coc cod cok col con coo cou cua cub cuc cud cuk cul cun cuo cuu daa dab dac dad dak dal dan dao dau dba dbb dbc dbd dbk dbl dbn dbo dbu dca dcb dcc dcd dck dcl dcn dco dcu dda ddb ddc ddd ddk ddl ddn ddo ddu dka dkb dkc dkk dkl dko dku dl- dla dlb dlc dld dlk dll dlo dlu dna dnb dnc dnd dnk dnl dnn dno doa dob doc dod dok dol don doo dou dua dub duc dud duk dul dun duo ka- kaa kab kac kad kak kal kan kao kau kba kbb kbc kbd kbk kbl kbn kbo kbu kca kcb kcc kcd kck kcl kcn kcu kda kdb kdc kdk kdl kdo kdu kkb kkc kkk kkl kkn kku kl- kla klb klc kld klo klu kn- kna knc knd knk knl knn kno knu koa kob koc kod kok kol kon koo kou kub kuc kud kuk kul kun kuu la- laa lab lac lad lak lal lan lao lau lba lbb lbc lbd lbk lbl lbo lbu lca lcb lcc lcd lck lcl lcn lco lcu lda ldb ldc ldd ldk ldl ldn ldo ldu lka lkb lkl lla llb llc lld llk lll lln llo llu lna lnb lnc lnd lnk lnl lnn lno lnu loa lob loc lod lok lol lon loo lou lua lub luc lud luk lul lun luo luu naa nab nac nad nak nal nan nao nau nba nbb nbc nbd nbk nbl nbn nbo nbu nca ncb ncc ncd nck ncl ncn nco ncu nda ndb ndc ndd ndk ndl ndn ndo ndu nka nkc nkk nkn nko nku nla nlb nlc nld nlk nll nln nlo nlu nna nnb nnc nnk nnl nnn nno nnu no- noa nob noc nod nok nol non noo nou nua nub nuc nud nuk nul nun nuo nuu oaa oab oac oad oak oal oan oao oau ob- oba obb obc obd obk obl obn obo obu oc- oca ocb occ ocd ock ocl ocn oco ocu oda odb odc odd odl odn odo odu oka okb okc okd okk okl oko oku ola olb olc old olk oll oln olo olu on- ona onb onc ond onk onl onn ono onu oo- ooa oob ooc ood ook ool oon ooo ou- oua ouc oud ouk oul oun ouo ua- uaa uab uac uad uak ual uan uao uau uba ubb ubc ubk ubl ubn ubo ubu uca ucb ucc ucd uck ucl ucn uco ucu uda udb udc udd udk udl udn udo udu uka ukb ukc ukk ukl ukn uku ula ulb ulc uld ulk ull uln ulo ulu un- una unb unc und unk unl unn uno unu uoa uob uoc uod uok uol uon uoo uua uuc uun uuu