-ic -up b-p b-u bbb bbc bbi bbm bbo bbp bbu bcb bcc bci bcm bco bcp bcu bi- bib bic bii bim bio bip biu bmb bmc bmi bmm bmo bmp bmu bob boc boi bom boo bop bou bpb bpc bpi bpm bpo bpp bpu bub buc bui bum buo bup buu c-- cbb cbc cbi cbm cbo cbp cbu ccb ccc cci ccm cco ccp ccu ci- cib cic cii cim cio cip ciu cmb cmc cmi cmm cmo cmp cmu co- cob coc coi com coo cop cou cpb cpc cpi cpm cpo cpp cpu cub cuc cui cum cuo cup cuu ibb ibc ibi ibm ibo ibp ibu icb icc ici icm ico icp icu iib iic iii iim iio iip iiu im- imb imc imi imm imo imp imu io- iob ioc ioi iom ioo iop iou ipb ipc ipi ipm ipo ipp ipu iu- iub iuc iui ium iup m-o mbb mbc mbi mbm mbo mbp mbu mc- mcb mcc mci mcm mco mcp mcu mi- mib mic mii mim mio mip miu mmb mmc mmi mmm mmo mmp mmu mob moc moi mom moo mop mou mpb mpc mpi mpm mpo mpp mpu mub muc mui mum mup muu o-i ob- obb obc obi obm obo obp obu oc- ocb occ oci ocm oco ocp ocu oib oic oii oim oio oip oiu om- omb omc omi omm omo omp omu oo- oob ooc ooi oom ooo oop op- opb opc opi opm opo opp ou- ouc oui oum ouo oup p-p pbb pbc pbi pbm pbo pbp pbu pcb pcc pci pcm pco pcp pcu pib pic pii pim pio pip piu pmb pmc pmi pmm pmo pmp pmu pob poc poi pom poo pop pou ppb ppc ppi ppm ppo ppp ppu pub puc pui pum pup puu ubb ubc ubi ubo ubp ubu ucb ucc uci ucm uco ucp ucu uib uic uii uim uio uip uiu um- umb umc umi umm umo ump umu uob uoc uom uoo uop up- upb upc upi upm upo upp upu uuc uum uuu