-ic -up b-p b-u bbb bbc bbi bbk bbl bbp bbu bcb bcc bci bck bcl bcp bcu bi- bib bic bii bik bil bip biu bkb bkc bkk bkl bkp blb blc bli blk bll blp blu bpb bpc bpi bpl bpp bpu bub buc bui buk bul bup buu c-- cbb cbc cbi cbk cbl cbp cbu ccb ccc cci cck ccl ccp ccu ci- cib cic cii cik cil cip ciu ckb ckc cki cl- clb clc cli clk cll clp clu cpb cpc cpi cpk cpl cpp cpu cub cuc cui cuk cul cup cuu ibb ibc ibi ibk ibl ibp ibu icb icc ici ick icl icp icu iib iic iii iil iip iiu ikb ikc iki ikk ikl iku il- ilb ilc ili ilk ill ilp ilu ipb ipc ipi ipl ipp ipu iu- iub iuc iui iup kbb kbc kbi kbk kbl kbp kbu kcb kcc kci kck kcl kcp kcu kib kic kii kik kil kip kiu kkb kkc kki kkk kkl kkp kku kl- klb klc kli klu kpc kpi kpk kpl kpp kpu kub kuc kui kuk kul kup kuu l-p lbb lbc lbi lbk lbl lbp lbu lcb lcc lci lck lcl lcp lcu lib lic lii lik lil lip liu lkb lkl lkp llb llc lli llk lll llp llu lpb lpc lpi lpk lpl lpp lpu lub luc lui luk lul lup luu p-p pbb pbc pbi pbk pbl pbp pbu pcb pcc pci pck pcl pcp pcu pib pic pii pik pil pip piu pkb pkc pki pkl pkp pku plb plc pli plk pll plp plu ppb ppc ppi ppk ppl ppp ppu pub puc pui puk pul pup puu ubb ubc ubi ubk ubl ubp ubu ucb ucc uci uck ucl ucp ucu uib uic uii uil uip uiu ukb ukc uki ukk ukl ukp uku ulb ulc uli ulk ull ulp ulu up- upb upc upi upk upp upu uuc uuu