-al -ol a-a a-b a-c aaa aab aac aal aam aao aau ab- aba abb abc abl abm abo abu ac- aca acb acc acl acm aco acu al- ala alb alc all alm alo alu ama amb amc aml amm amo amu aoa aob aoc aol aom aoo aou au- aua aub auc aul aum auo b-u baa bab bac bal bam bao bau bba bbb bbc bbl bbm bbo bbu bca bcb bcc bcl bcm bco bcu bla blb blc bll blm blo blu bma bmb bmc bml bmm bmo bmu boa bob boc bol bom boo bou bua bub buc bul bum buo buu c-- caa cab cac cal cam cao cau cba cbb cbc cbl cbm cbo cbu cca ccb ccc ccl ccm cco ccu cl- cla clb clc cll clm clo clu cma cmb cmc cml cmm cmo cmu co- coa cob coc col com coo cou cua cub cuc cul cum cuo cuu la- laa lab lac lal lam lao lau lba lbb lbc lbl lbm lbo lbu lca lcb lcc lcl lcm lco lcu lla llb llc lll llm llo llu lma lmb lmc lml lmm lmo lmu loa lob loc lol lom loo lou lua lub luc lul lum luo luu m-o maa mab mac mal mam mao mau mba mbb mbc mbl mbm mbo mbu mc- mca mcb mcc mcl mcm mco mcu mla mlb mlc mll mlm mlo mlu mma mmb mmc mml mmm mmo mmu moa mob moc mol mom moo mou mua mub muc mul mum muu oaa oab oac oal oam oao oau ob- oba obb obc obl obm obo obu oc- oca ocb occ ocl ocm oco ocu ola olb olc oll olm olo olu om- oma omb omc oml omm omo omu oo- ooa oob ooc ool oom ooo ou- oua ouc oul oum ouo ua- uaa uab uac ual uam uao uau uba ubb ubc ubl ubo ubu uca ucb ucc ucl ucm uco ucu ula ulb ulc ull ulm ulo ulu um- uma umb umc uml umm umo umu uoa uob uoc uol uom uoo uua uuc uum uuu