-ic -ol b-p bbb bbc bbh bbi bbl bbo bbp bcb bcc bch bci bcl bco bcp bhb bhc bhh bhi bhl bho bhp bi- bib bic bih bii bil bio bip blb blc blh bli bll blo blp bob boc boh boi bol boo bop bpb bpc bph bpi bpl bpo bpp c-- cbb cbc cbh cbi cbl cbo cbp ccb ccc cch cci ccl cco ccp ch- chb chc chh chi chl cho chp ci- cib cic cih cii cil cio cip cl- clb clc clh cli cll clo clp co- cob coc coh coi col coo cop cpb cpc cph cpi cpl cpo cpp h-i hbb hbc hbh hbi hbl hbo hbp hcb hcc hch hci hcl hco hcp hhb hhc hhh hhi hhl hho hhp hib hic hih hii hil hio hip hlb hlc hlh hli hll hlo hlp hob hoc hoh hoi hol hoo hop hpb hpc hph hpi hpl hpo hpp ibb ibc ibh ibi ibl ibo ibp icb icc ich ici icl ico icp ihb ihc ihh ihi ihl iho ihp iib iic iih iii iil iio iip il- ilb ilc ilh ili ill ilo ilp io- iob ioc ioh ioi iol ioo iop ipb ipc ipi ipl ipo ipp l-p lbb lbc lbh lbi lbl lbo lbp lcb lcc lch lci lcl lco lcp lhb lhc lhh lhi lho lhp lib lic lih lii lil lio lip llb llc lli lll llo llp lob loc loh loi lol loo lop lpb lpc lph lpi lpl lpo lpp o-i ob- obb obc obh obi obl obo obp oc- ocb occ och oci ocl oco ocp ohc ohh ohi ohl oho ohp oib oic oii oil oio oip olb olc oli oll olo olp oo- oob ooc ooh ooi ool ooo oop op- opb opc oph opi opl opo opp p-p pbb pbc pbi pbl pbo pbp pcb pcc pch pci pcl pco pcp phb phc phi phl pho php pib pic pih pii pil pio pip plb plc plh pli pll plo plp pob poc poh poi pol poo pop ppb ppc pph ppi ppl ppo ppp