-ic -ol -up b-p b-u bbb bbc bbi bbl bbo bbp bbu bcb bcc bci bcl bco bcp bcu bi- bib bic bii bil bio bip biu blb blc bli bll blo blp blu bob boc boi bol boo bop bou bpb bpc bpi bpl bpo bpp bpu bub buc bui bul buo bup buu c-- cbb cbc cbi cbl cbo cbp cbu ccb ccc cci ccl cco ccp ccu ci- cib cic cii cil cio cip ciu cl- clb clc cli cll clo clp clu co- cob coc coi col coo cop cou cpb cpc cpi cpl cpo cpp cpu cub cuc cui cul cuo cup cuu ibb ibc ibi ibl ibo ibp ibu icb icc ici icl ico icp icu iib iic iii iil iio iip iiu il- ilb ilc ili ill ilo ilp ilu io- iob ioc ioi iol ioo iop iou ipb ipc ipi ipl ipo ipp ipu iu- iub iuc iui iup l-p lbb lbc lbi lbl lbo lbp lbu lcb lcc lci lcl lco lcp lcu lib lic lii lil lio lip liu llb llc lli lll llo llp llu lob loc loi lol loo lop lou lpb lpc lpi lpl lpo lpp lpu lub luc lui lul luo lup luu o-i ob- obb obc obi obl obo obp obu oc- ocb occ oci ocl oco ocp ocu oib oic oii oil oio oip oiu olb olc oli oll olo olp olu oo- oob ooc ooi ool ooo oop op- opb opc opi opl opo opp ou- ouc oui oul ouo oup p-p pbb pbc pbi pbl pbo pbp pbu pcb pcc pci pcl pco pcp pcu pib pic pii pil pio pip piu plb plc pli pll plo plp plu pob poc poi pol poo pop pou ppb ppc ppi ppl ppo ppp ppu pub puc pui pul pup puu ubb ubc ubi ubl ubo ubp ubu ucb ucc uci ucl uco ucp ucu uib uic uii uil uio uip uiu ulb ulc uli ull ulo ulp ulu uob uoc uol uoo uop up- upb upc upi upo upp upu uuc uuu