-al -er a-a a-c aaa aac aad aae aak aal aar aau ac- aca acc acd ace ack acl acr acu ad- ada adc add ade adk adl adr adu aea aec aed aee aek ael aer aeu aka akc akd ake akk akl akr aku al- ala alc ald ale alk all alr alu ar- ara arc ard are ark arl arr aru au- aua auc aud aue auk aul aur c-- caa cac cad cae cak cal car cau cca ccc ccd cce cck ccl ccr ccu cda cdc cdd cde cdk cdl cdr cdu ce- cea cec ced cee cek cel cer ceu cka ckc ckd cl- cla clc cld cle clk cll clr clu cra crc crd cre crk crl crr cru cua cuc cud cue cuk cul cur cuu daa dac dad dae dak dal dar dau dca dcc dcd dce dck dcl dcr dcu dda ddc ddd dde ddk ddl ddr ddu de- dea dec ded dee dek del der deu dka dkc dke dkk dkl dkr dku dl- dla dlc dld dle dlk dll dlr dlu dra drc drd dre drk drl drr dru dua duc dud due duk dul dur eaa eac ead eae eak eal ear eau ec- eca ecc ecd ece eck ecl ecr ecu ed- eda edc edd ede edk edl edr edu eea eec eed eee eek eel eer eka ekc ekd eke ekl ekr eku ela elc eld ele elk ell elr elu era erc erd ere erk erl err eru eu- eua euc eud eue eul eur ka- kaa kac kad kae kak kal kar kau kca kcc kcd kce kck kcl kcr kcu kda kdc kde kdk kdl kdr kdu ke- kea kec ked kee kek kel ker kkc kke kkk kkl kkr kku kl- kla klc kld klr klu kra krc krd krk krl krr kru kuc kud kue kuk kul kur kuu la- laa lac lad lae lak lal lar lau lca lcc lcd lce lck lcl lcr lcu lda ldc ldd lde ldk ldl ldr ldu lea lec led lee lek lel ler leu lka lkl lkr lla llc lld lle llk lll llr llu lra lrc lrd lrk lrr lru lua luc lud lue luk lul lur luu ra- raa rac rad rae rak ral rar rau rca rcc rcd rce rcl rcr rcu rda rdc rdd rde rdl rdr rdu re- rea rec red ree rek rel rer reu rkc rke rkk rku rla rlc rld rle rll rlr rlu rra rrc rrd rrk rrl rrr rru rua ruc rud rue ruk rur ruu ua- uaa uac uad uae uak ual uar uau uca ucc ucd uce uck ucl ucr ucu uda udc udd ude udk udl udr udu uea uec ued uee uel uer uka ukc uke ukk ukl ukr uku ula ulc uld ule ulk ull ulr ulu ur- ura urc urd ure urk url urr uru uua uuc uue uur uuu