-al -ol a-a a-b a-c a-t aaa aab aac aak aal aan aao aat aau ab- aba abb abc abk abl abn abo abt abu ac- aca acb acc ack acl acn aco act acu aka akb akc akk akl akn ako aku al- ala alb alc alk all aln alo alt alu an- ana anb anc ank anl ann ano ant anu aoa aob aoc aok aol aon aoo aot aou at- ata atb atc atl atn ato att atu au- aua aub auc auk aul aun auo aut b-u baa bab bac bak bal ban bao bat bau bba bbb bbc bbk bbl bbn bbo bbt bbu bca bcb bcc bck bcl bcn bco bct bcu bka bkb bkc bkk bkl bkn bko bkt bla blb blc blk bll bln blo blt blu bna bnb bnc bnk bnl bnn bno bnt bnu boa bob boc bok bol bon boo bot bou bta btb btc btk btl btn bto btt btu bua bub buc buk bul bun buo but buu c-- caa cab cac cak cal can cao cat cau cba cbb cbc cbk cbl cbn cbo cbt cbu cca ccb ccc cck ccl ccn cco cct ccu cka ckb ckc cko ckt cl- cla clb clc clk cll cln clo clt clu cn- cna cnb cnc cnl cnn cno cnt cnu co- coa cob coc cok col con coo cot cou cta ctb ctc ctk ctl ctn cto ctt ctu cua cub cuc cuk cul cun cuo cut cuu k-t ka- kaa kab kac kak kal kan kao kat kau kba kbb kbc kbk kbl kbn kbo kbu kca kcb kcc kck kcl kcn kct kcu kkb kkc kkk kkl kkn kkt kku kl- kla klb klc klo klt klu kn- kna knc knk knl knn kno knt knu koa kob koc kok kol kon koo kot kou kta ktb ktc ktk ktl ktn kto ktt ktu kub kuc kuk kul kun kut kuu la- laa lab lac lak lal lan lao lat lau lba lbb lbc lbk lbl lbo lbt lbu lca lcb lcc lck lcl lcn lco lct lcu lka lkb lkl lkt lla llb llc llk lll lln llo llt llu lna lnb lnc lnk lnl lnn lno lnt lnu loa lob loc lok lol lon loo lot lou lta ltb ltc ltk ltl lto ltt ltu lua lub luc luk lul lun luo lut luu naa nab nac nak nal nan nao nat nau nba nbb nbc nbk nbl nbn nbo nbt nbu nca ncb ncc nck ncl ncn nco nct ncu nka nkc nkk nkn nko nkt nku nla nlb nlc nlk nll nln nlo nlt nlu nna nnb nnc nnk nnl nnn nno nnt nnu no- noa nob noc nok nol non noo not nou nta ntb ntc ntk ntn nto ntt ntu nua nub nuc nuk nul nun nuo nut nuu oaa oab oac oak oal oan oao oat oau ob- oba obb obc obk obl obn obo obt obu oc- oca ocb occ ock ocl ocn oco oct ocu oka okb okc okk okl oko oku ola olb olc olk oll oln olo olt olu on- ona onb onc onk onl onn ono ont onu oo- ooa oob ooc ook ool oon ooo oot ot- ota otb otc otk otl otn oto ott otu ou- oua ouc ouk oul oun ouo out taa tab tac tak tal tan tao tat tau tba tbb tbc tbk tbl tbn tbo tbt tbu tca tcb tcc tck tcl tcn tco tct tcu tka tkb tkc tkk tkl tko tkt tla tlc tlk tll tln tlo tlt tlu tna tnb tnc tnk tnl tnn tno tnt to- toa tob toc tok tol ton too tot tou tta ttb ttc ttk ttl ttn tto ttt ttu tua tub tuc tuk tul tun tuo tut tuu ua- uaa uab uac uak ual uan uao uat uau uba ubb ubc ubk ubl ubn ubo ubt ubu uca ucb ucc uck ucl ucn uco uct ucu uka ukb ukc ukk ukl ukn uku ula ulb ulc ulk ull uln ulo ult ulu un- una unb unc unk unl unn uno unt unu uoa uob uoc uok uol uon uoo uot uta utb utc utk utl utn uto utt utu uua uuc uun uut uuu