-al a-a a-c aaa aac aad aaf aak aal aau ac- aca acc acd acf ack acl acu ad- ada adc add adf adk adl adu af- afa afc afd aff afk afl afu aka akc akd akk akl aku al- ala alc ald alf alk all alu au- aua auc aud auf auk aul c-- caa cac cad caf cak cal cau cca ccc ccd ccf cck ccl ccu cda cdc cdd cdf cdk cdl cdu cfa cfc cfd cff cfk cfl cfu cka ckc ckd cl- cla clc cld clf clk cll clu cua cuc cud cuf cuk cul cuu daa dac dad daf dak dal dau dca dcc dcd dcf dck dcl dcu dda ddc ddd ddf ddk ddl ddu dfa dfc dfd dff dfk dfl dfu dka dkc dkk dkl dku dl- dla dlc dld dlf dlk dll dlu dua duc dud duf duk dul faa fac fad faf fak fal fau fca fcc fcd fcf fck fcl fcu fda fdc fdd fdf fdk fdl fdu ffa ffc ffd fff ffk ffl ffu fka fkc fkf fkk fkl fla flc fld flf fll flu fua fud fuf fuk ful fuu ka- kaa kac kad kaf kak kal kau kca kcc kcd kck kcl kcu kda kdc kdf kdk kdl kdu kfa kfc kfd kff kfu kkc kkk kkl kku kl- kla klc kld klf klu kuc kud kuk kul kuu la- laa lac lad laf lak lal lau lca lcc lcd lcf lck lcl lcu lda ldc ldd ldf ldk ldl ldu lfa lfc lfd lff lfk lfl lfu lka lkl lla llc lld llf llk lll llu lua luc lud luf luk lul luu ua- uaa uac uad uaf uak ual uau uca ucc ucd ucf uck ucl ucu uda udc udd udf udk udl udu ufa ufc ufd uff ufl ufu uka ukc ukf ukk ukl uku ula ulc uld ulf ulk ull ulu uua uuc uuu