-al a-a a-b a-c aaa aab aac aah aak aal aau ab- aba abb abc abh abk abl abu ac- aca acb acc ach ack acl acu aha ahb ahc ahh ahk ahl ahu aka akb akc akh akk akl aku al- ala alb alc alh alk all alu au- aua aub auc auh auk aul b-u baa bab bac bah bak bal bau bba bbb bbc bbh bbk bbl bbu bca bcb bcc bch bck bcl bcu bha bhb bhc bhh bhk bhl bhu bka bkb bkc bkk bkl bla blb blc blh blk bll blu bua bub buc buh buk bul buu c-- caa cab cac cah cak cal cau cba cbb cbc cbh cbk cbl cbu cca ccb ccc cch cck ccl ccu ch- cha chb chc chh chk chl chu cka ckb ckc ckh cl- cla clb clc clh clk cll clu cua cub cuc cuh cuk cul cuu haa hab hac hah hak hal hau hba hbb hbc hbh hbk hbl hbu hca hcb hcc hch hck hcl hha hhb hhc hhh hhk hhl hhu hka hkb hkh hkk hkl hku hla hlb hlc hlh hll hlu hua hub huc huh huk hul huu ka- kaa kab kac kah kak kal kau kba kbb kbc kbh kbk kbl kbu kca kcb kcc kch kck kcl kcu kha khh khk khu kkb kkc kkh kkk kkl kku kl- kla klb klc klh klu kub kuc kuh kuk kul kuu la- laa lab lac lah lak lal lau lba lbb lbc lbh lbk lbl lbu lca lcb lcc lch lck lcl lcu lha lhb lhc lhh lhk lhu lka lkb lkh lkl lla llb llc llk lll llu lua lub luc luh luk lul luu ua- uaa uab uac uah uak ual uau uba ubb ubc ubh ubk ubl ubu uca ucb ucc uch uck ucl ucu uha uhb uhc uhh uhl uhu uka ukb ukc ukk ukl uku ula ulb ulc ulk ull ulu uua uuc uuu