-ic -ol bbb bbc bbh bbi bbl bbo bcb bcc bch bci bcl bco bhb bhc bhh bhi bhl bho bi- bib bic bih bii bil bio blb blc blh bli bll blo bob boc boh boi bol boo c-- cbb cbc cbh cbi cbl cbo ccb ccc cch cci ccl cco ch- chb chc chh chi chl cho ci- cib cic cih cii cil cio cl- clb clc clh cli cll clo co- cob coc coh coi col coo h-i hbb hbc hbh hbi hbl hbo hcb hcc hch hci hcl hco hhb hhc hhh hhi hhl hho hib hic hih hii hil hio hlb hlc hlh hli hll hlo hob hoc hoh hoi hol hoo ibb ibc ibh ibi ibl ibo icb icc ich ici icl ico ihb ihc ihh ihi ihl iho iib iic iih iii iil iio il- ilb ilc ilh ili ill ilo io- iob ioc ioh ioi iol ioo lbb lbc lbh lbi lbl lbo lcb lcc lch lci lcl lco lhb lhc lhh lhi lho lib lic lih lii lil lio llb llc lli lll llo lob loc loh loi lol loo o-i ob- obb obc obh obi obl obo oc- ocb occ och oci ocl oco ohc ohh ohi ohl oho oib oic oii oil oio olb olc oli oll olo oo- oob ooc ooh ooi ool ooo