-al -er a-a a-c aaa aac aae aaf aal aar aau ac- aca acc ace acf acl acr acu aea aec aee aef ael aer aeu af- afa afc afe aff afl afr afu al- ala alc ale alf all alr alu ar- ara arc are arf arl arr aru au- aua auc aue auf aul aur c-- caa cac cae caf cal car cau cca ccc cce ccf ccl ccr ccu ce- cea cec cee cef cel cer ceu cfa cfc cfe cff cfl cfr cfu cl- cla clc cle clf cll clr clu cra crc cre crf crl crr cru cua cuc cue cuf cul cur cuu eaa eac eae eaf eal ear eau ec- eca ecc ece ecf ecl ecr ecu eea eec eee eef eel eer ef- efa efc efe eff efl efr ela elc ele elf ell elr elu era erc ere erf erl err eru eu- eua euc eue euf eul eur faa fac fae faf fal far fau fca fcc fce fcf fcl fcr fcu fea fec fee fef fel fer feu ffa ffc ffe fff ffl ffr ffu fla flc fle flf fll flr flu fra frc fre frf frl frr fru fua fue fuf ful fur fuu la- laa lac lae laf lal lar lau lca lcc lce lcf lcl lcr lcu lea lec lee lef lel ler leu lfa lfc lfe lff lfl lfr lfu lla llc lle llf lll llr llu lra lrc lrf lrr lru lua luc lue luf lul lur luu ra- raa rac rae raf ral rar rau rca rcc rce rcf rcl rcr rcu re- rea rec ree ref rel rer reu rfa rfc rfe rff rfl rfr rfu rla rlc rle rlf rll rlr rlu rra rrc rrf rrl rrr rru rua ruc rue ruf rur ruu ua- uaa uac uae uaf ual uar uau uca ucc uce ucf ucl ucr ucu uea uec uee uef uel uer ufa ufc ufe uff ufl ufr ufu ula ulc ule ulf ull ulr ulu ur- ura urc ure urf url urr uru uua uuc uue uur uuu