-al -ol -up a-a a-b a-c aaa aab aac aal aao aap aau ab- aba abb abc abl abo abp abu ac- aca acb acc acl aco acp acu al- ala alb alc all alo alp alu aoa aob aoc aol aoo aop aou ap- apa apb apc apl apo app apu au- aua aub auc aul auo aup b-p b-u baa bab bac bal bao bap bau bba bbb bbc bbl bbo bbp bbu bca bcb bcc bcl bco bcp bcu bla blb blc bll blo blp blu boa bob boc bol boo bop bou bpa bpb bpc bpl bpo bpp bpu bua bub buc bul buo bup buu c-- caa cab cac cal cao cap cau cba cbb cbc cbl cbo cbp cbu cca ccb ccc ccl cco ccp ccu cl- cla clb clc cll clo clp clu co- coa cob coc col coo cop cou cpa cpb cpc cpl cpo cpp cpu cua cub cuc cul cuo cup cuu l-p la- laa lab lac lal lao lap lau lba lbb lbc lbl lbo lbp lbu lca lcb lcc lcl lco lcp lcu lla llb llc lll llo llp llu loa lob loc lol loo lop lou lpa lpb lpc lpl lpo lpp lpu lua lub luc lul luo lup luu oaa oab oac oal oao oap oau ob- oba obb obc obl obo obp obu oc- oca ocb occ ocl oco ocp ocu ola olb olc oll olo olp olu oo- ooa oob ooc ool ooo oop op- opa opb opc opl opo opp ou- oua ouc oul ouo oup p-p paa pab pac pal pao pap pau pba pbb pbc pbl pbo pbp pbu pca pcb pcc pcl pco pcp pcu pla plb plc pll plo plp plu poa pob poc pol poo pop pou ppa ppb ppc ppl ppo ppp ppu pua pub puc pul pup puu ua- uaa uab uac ual uao uap uau uba ubb ubc ubl ubo ubp ubu uca ucb ucc ucl uco ucp ucu ula ulb ulc ull ulo ulp ulu uoa uob uoc uol uoo uop up- upa upb upc upo upp upu uua uuc uuu