-ic -up b-p b-u bbb bbc bbi bbl bbp bbu bcb bcc bci bcl bcp bcu bi- bib bic bii bil bip biu blb blc bli bll blp blu bpb bpc bpi bpl bpp bpu bub buc bui bul bup buu c-- cbb cbc cbi cbl cbp cbu ccb ccc cci ccl ccp ccu ci- cib cic cii cil cip ciu cl- clb clc cli cll clp clu cpb cpc cpi cpl cpp cpu cub cuc cui cul cup cuu ibb ibc ibi ibl ibp ibu icb icc ici icl icp icu iib iic iii iil iip iiu il- ilb ilc ili ill ilp ilu ipb ipc ipi ipl ipp ipu iu- iub iuc iui iup l-p lbb lbc lbi lbl lbp lbu lcb lcc lci lcl lcp lcu lib lic lii lil lip liu llb llc lli lll llp llu lpb lpc lpi lpl lpp lpu lub luc lui lul lup luu p-p pbb pbc pbi pbl pbp pbu pcb pcc pci pcl pcp pcu pib pic pii pil pip piu plb plc pli pll plp plu ppb ppc ppi ppl ppp ppu pub puc pui pul pup puu ubb ubc ubi ubl ubp ubu ucb ucc uci ucl ucp ucu uib uic uii uil uip uiu ulb ulc uli ull ulp ulu up- upb upc upi upp upu uuc uuu