-al a-a a-b a-c aaa aab aac aah aak aal aas aau ab- aba abb abc abh abk abl abs abu ac- aca acb acc ach ack acl acs acu aha ahb ahc ahh ahk ahl ahs ahu aka akb akc akh akk akl aks aku al- ala alb alc alh alk all als alu as- asa asb asc ash ask asl ass asu au- aua aub auc auh auk aul aus b-u baa bab bac bah bak bal bas bau bba bbb bbc bbh bbk bbl bbs bbu bca bcb bcc bch bck bcl bcs bcu bha bhb bhc bhh bhk bhl bhs bhu bka bkb bkc bkk bkl bks bla blb blc blh blk bll bls blu bsa bsb bsc bsh bsk bsl bss bsu bua bub buc buh buk bul bus buu c-- caa cab cac cah cak cal cas cau cba cbb cbc cbh cbk cbl cbs cbu cca ccb ccc cch cck ccl ccs ccu ch- cha chb chc chh chk chl chs chu cka ckb ckc ckh cks cl- cla clb clc clh clk cll cls clu csa csb csc csh csk csl css csu cua cub cuc cuh cuk cul cus cuu haa hab hac hah hak hal has hau hba hbb hbc hbh hbk hbl hbs hbu hca hcb hcc hch hck hcl hcs hha hhb hhc hhh hhk hhl hhs hhu hka hkb hkh hkk hkl hks hku hla hlb hlc hlh hll hls hlu hsa hsb hsc hsh hsk hsl hss hsu hua hub huc huh huk hul hus huu ka- kaa kab kac kah kak kal kas kau kba kbb kbc kbh kbk kbl kbs kbu kca kcb kcc kch kck kcl kcs kcu kha khh khk khs khu kkb kkc kkh kkk kkl kks kku kl- kla klb klc klh kls klu ksa ksb ksc ksh ksk ksl kss ksu kub kuc kuh kuk kul kus kuu la- laa lab lac lah lak lal las lau lba lbb lbc lbh lbk lbl lbs lbu lca lcb lcc lch lck lcl lcs lcu lha lhb lhc lhh lhk lhs lhu lka lkb lkh lkl lks lla llb llc llk lll lls llu lsa lsb lsc lsh lsk lsl lss lsu lua lub luc luh luk lul lus luu saa sab sac sah sak sal sas sau sba sbb sbc sbh sbk sbl sbs sbu sca scb scc sch sck scl scs scu sh- sha shb shc shh shk shl shs shu sk- ska skb skc skh skk skl sks sku sla slb slc slh slk sll sls slu ss- ssa ssb ssc ssh ssk ssl sss ssu sua sub suc suh suk sul sus suu ua- uaa uab uac uah uak ual uas uau uba ubb ubc ubh ubk ubl ubs ubu uca ucb ucc uch uck ucl ucs ucu uha uhb uhc uhh uhl uhs uhu uka ukb ukc ukk ukl uku ula ulb ulc ulk ull uls ulu usa usb usc ush usk usl uss usu uua uuc uus uuu