-ic -ol b-u bbb bbc bbh bbi bbk bbl bbo bbu bcb bcc bch bci bck bcl bco bcu bhb bhc bhh bhi bhk bhl bho bhu bi- bib bic bih bii bik bil bio biu bkb bkc bkk bkl bko blb blc blh bli blk bll blo blu bob boc boh boi bok bol boo bou bub buc buh bui buk bul buo buu c-- cbb cbc cbh cbi cbk cbl cbo cbu ccb ccc cch cci cck ccl cco ccu ch- chb chc chh chi chk chl cho chu ci- cib cic cih cii cik cil cio ciu ckb ckc ckh cki cko cl- clb clc clh cli clk cll clo clu co- cob coc coh coi cok col coo cou cub cuc cuh cui cuk cul cuo cuu h-i hbb hbc hbh hbi hbk hbl hbo hbu hcb hcc hch hci hck hcl hco hhb hhc hhh hhi hhk hhl hho hhu hib hic hih hii hik hil hio hiu hkb hkh hki hkk hkl hko hku hlb hlc hlh hli hll hlo hlu hob hoc hoh hoi hok hol hoo hou hub huc huh hui huk hul huo huu ibb ibc ibh ibi ibk ibl ibo ibu icb icc ich ici ick icl ico icu ihb ihc ihh ihi ihk ihl iho ihu iib iic iih iii iil iio iiu ikb ikc iki ikk ikl iko iku il- ilb ilc ilh ili ilk ill ilo ilu io- iob ioc ioh ioi iol ioo iou iu- iub iuc iui kbb kbc kbh kbi kbk kbl kbo kbu kcb kcc kch kci kck kcl kcu khh khi khk kho khu kib kic kih kii kik kil kio kiu kkb kkc kkh kki kkk kkl kku kl- klb klc klh kli klo klu kob koc koh koi kok kol koo kou kub kuc kuh kui kuk kul kuu lbb lbc lbh lbi lbk lbl lbo lbu lcb lcc lch lci lck lcl lco lcu lhb lhc lhh lhi lhk lho lhu lib lic lih lii lik lil lio liu lkb lkh lkl llb llc lli llk lll llo llu lob loc loh loi lok lol loo lou lub luc luh lui luk lul luo luu o-i ob- obb obc obh obi obk obl obo obu oc- ocb occ och oci ock ocl oco ocu ohc ohh ohi ohl oho ohu oib oic oii oik oil oio oiu okb okc oki okk okl oko oku olb olc oli olk oll olo olu oo- oob ooc ooh ooi ook ool ooo ou- ouc ouh oui ouk oul ouo ubb ubc ubh ubi ubk ubl ubo ubu ucb ucc uch uci uck ucl uco ucu uhb uhc uhh uhi uhl uho uhu uib uic uii uil uio uiu ukb ukc uki ukk ukl uku ulb ulc uli ulk ull ulo ulu uob uoc uok uol uoo uuc uuu