-al a-a a-c aaa aac aad aaf aak aal aan aau ac- aca acc acd acf ack acl acn acu ad- ada adc add adf adk adl adn adu af- afa afc afd aff afk afl afn afu aka akc akd akk akl akn aku al- ala alc ald alf alk all aln alu an- ana anc and anf ank anl ann anu au- aua auc aud auf auk aul aun c-- caa cac cad caf cak cal can cau cca ccc ccd ccf cck ccl ccn ccu cda cdc cdd cdf cdk cdl cdn cdu cfa cfc cfd cff cfk cfl cfn cfu cka ckc ckd cl- cla clc cld clf clk cll cln clu cn- cna cnc cnd cnf cnl cnn cnu cua cuc cud cuf cuk cul cun cuu daa dac dad daf dak dal dan dau dca dcc dcd dcf dck dcl dcn dcu dda ddc ddd ddf ddk ddl ddn ddu dfa dfc dfd dff dfk dfl dfn dfu dka dkc dkk dkl dku dl- dla dlc dld dlf dlk dll dlu dna dnc dnd dnf dnk dnl dnn dua duc dud duf duk dul dun faa fac fad faf fak fal fan fau fca fcc fcd fcf fck fcl fcn fcu fda fdc fdd fdf fdk fdl fdn fdu ffa ffc ffd fff ffk ffl ffn ffu fka fkc fkf fkk fkl fla flc fld flf fll fln flu fna fnc fnd fnf fnk fnl fnn fnu fua fud fuf fuk ful fun fuu ka- kaa kac kad kaf kak kal kan kau kca kcc kcd kck kcl kcn kcu kda kdc kdf kdk kdl kdu kfa kfc kfd kff kfu kkc kkk kkl kkn kku kl- kla klc kld klf klu kn- kna knc knd knf knk knl knn knu kuc kud kuk kul kun kuu la- laa lac lad laf lak lal lan lau lca lcc lcd lcf lck lcl lcn lcu lda ldc ldd ldf ldk ldl ldn ldu lfa lfc lfd lff lfk lfl lfn lfu lka lkl lla llc lld llf llk lll lln llu lna lnc lnd lnk lnl lnn lnu lua luc lud luf luk lul lun luu naa nac nad naf nak nal nan nau nca ncc ncd ncf nck ncl ncn ncu nda ndc ndd ndf ndk ndl ndn ndu nfa nfc nfd nff nfk nfl nfn nfu nka nkc nkf nkk nkn nku nla nlc nld nlf nlk nll nln nlu nna nnc nnf nnk nnl nnn nnu nua nuc nud nuk nul nun nuu ua- uaa uac uad uaf uak ual uan uau uca ucc ucd ucf uck ucl ucn ucu uda udc udd udf udk udl udn udu ufa ufc ufd uff ufl ufn ufu uka ukc ukf ukk ukl ukn uku ula ulc uld ulf ulk ull uln ulu un- una unc und unf unk unl unn unu uua uuc uun uuu