-up a-a a-b a-c aaa aab aac aam aao aap aas aau ab- aba abb abc abm abo abp abs abu ac- aca acb acc acm aco acp acs acu ama amb amc amm amo amp ams amu aoa aob aoc aom aoo aop aos aou ap- apa apb apc apm apo app aps apu as- asa asb asc asm aso asp ass asu au- aua aub auc aum auo aup aus b-p b-u baa bab bac bam bao bap bas bau bba bbb bbc bbm bbo bbp bbs bbu bca bcb bcc bcm bco bcp bcs bcu bma bmb bmc bmm bmo bmp bms bmu boa bob boc bom boo bop bos bou bpa bpb bpc bpm bpo bpp bps bpu bsa bsb bsc bsm bso bsp bss bsu bua bub buc bum buo bup bus buu c-- caa cab cac cam cao cap cas cau cba cbb cbc cbm cbo cbp cbs cbu cca ccb ccc ccm cco ccp ccs ccu cma cmb cmc cmm cmo cmp cms cmu co- coa cob coc com coo cop cos cou cpa cpb cpc cpm cpo cpp cps cpu csa csb csc csm cso csp css csu cua cub cuc cum cuo cup cus cuu m-o maa mab mac mam mao map mas mau mba mbb mbc mbm mbo mbp mbs mbu mc- mca mcb mcc mcm mco mcp mcs mcu mma mmb mmc mmm mmo mmp mms mmu moa mob moc mom moo mop mos mou mpa mpb mpc mpm mpo mpp mps mpu msa msb msc msm mso msp mss msu mua mub muc mum mup mus muu oaa oab oac oam oao oap oas oau ob- oba obb obc obm obo obp obs obu oc- oca ocb occ ocm oco ocp ocs ocu om- oma omb omc omm omo omp oms omu oo- ooa oob ooc oom ooo oop oos op- opa opb opc opm opo opp ops os- osa osb osc osm oso osp oss osu ou- oua ouc oum ouo oup ous p-p paa pab pac pam pao pap pas pau pba pbb pbc pbm pbo pbp pbs pbu pca pcb pcc pcm pco pcp pcs pcu pma pmb pmc pmm pmo pmp pms pmu poa pob poc pom poo pop pos pou ppa ppb ppc ppm ppo ppp pps ppu ps- psa psb psc psm pso psp pss psu pua pub puc pum pup pus puu saa sab sac sam sao sap sas sau sba sbb sbc sbm sbo sbp sbs sbu sca scb scc scm sco scp scs scu sma smb smc smm smo smp sms smu soa sob soc som soo sop sos sou spa spb spc spm spo spp sps spu ss- ssa ssb ssc ssm sso ssp sss ssu sua sub suc sum suo sup sus suu ua- uaa uab uac uam uao uap uas uau uba ubb ubc ubo ubp ubs ubu uca ucb ucc ucm uco ucp ucs ucu um- uma umb umc umm umo ump ums umu uoa uob uoc uom uoo uop uos up- upa upb upc upm upo upp ups upu usa usb usc usm uso usp uss usu uua uuc uum uus uuu