-ic -ol bbb bbc bbi bbk bbl bbo bbw bcb bcc bci bck bcl bco bi- bib bic bii bik bil bio biw bkb bkc bkk bkl bko bkw blb blc bli blk bll blo bob boc boi bok bol boo bow bwb bwc bwi bwk bwl bwo c-- cbb cbc cbi cbk cbl cbo cbw ccb ccc cci cck ccl cco ccw ci- cib cic cii cik cil cio ciw ckb ckc cki cko ckw cl- clb clc cli clk cll clo clw co- cob coc coi cok col coo cow cw- cwb cwc cwi cwk cwl cwo ibb ibc ibi ibk ibl ibo ibw icb icc ici ick icl ico icw iib iic iii iil iio iiw ikb ikc iki ikk ikl iko il- ilb ilc ili ilk ill ilo io- iob ioc ioi iol ioo iow iwb iwc iwi iwk iwl iwo iww kbb kbc kbi kbk kbl kbo kbw kcb kcc kci kck kcl kib kic kii kik kil kio kkb kkc kki kkk kkl kl- klb klc kli klo kob koc koi kok kol koo kow kw- kwc kwi kwk kwo kww lbb lbc lbi lbk lbl lbo lbw lcb lcc lci lck lcl lco lcw lib lic lii lik lil lio liw lkb lkl llb llc lli llk lll llo llw lob loc loi lok lol loo low lwb lwc lwi lwl lwo lww o-i ob- obb obc obi obk obl obo obw oc- ocb occ oci ock ocl oco ocw oib oic oii oik oil oio okb okc oki okk okl oko okw olb olc oli olk oll olo olw oo- oob ooc ooi ook ool ooo oow owb owc owi owk owl owo oww wbb wbc wbi wbo wbw wcb wcc wci wck wcl wco wcw wib wic wii wik wil wkb wkc wko wkw wl- wlb wlc wli wll wlo wlw wob woc woi wok wol woo wow wwc wwi wwl wwo www