-ic -ol bbb bbc bbi bbl bbm bbn bbo bbs bbt bcb bcc bci bcl bcm bcn bco bcs bct bi- bib bic bii bil bim bin bio bis bit blb blc bli bll blm bln blo bls blt bmb bmc bmi bml bmm bmn bmo bms bmt bnb bnc bni bnl bnn bno bns bnt bob boc boi bol bom bon boo bos bot bsb bsc bsi bsl bsm bsn bso bss bst btb btc bti btl btm btn bto bts btt c-- cbb cbc cbi cbl cbm cbn cbo cbs cbt ccb ccc cci ccl ccm ccn cco ccs cct ci- cib cic cii cil cim cin cio cis cit cl- clb clc cli cll clm cln clo cls clt cmb cmc cmi cml cmm cmn cmo cms cmt cn- cnb cnc cni cnl cnm cnn cno cns cnt co- cob coc coi col com con coo cos cot csb csc csi csl csm csn cso css cst ctb ctc cti ctl ctm ctn cto cts ctt ibb ibc ibi ibl ibm ibn ibo ibs ibt icb icc ici icl icm icn ico ics ict iib iic iii iil iim iin iio iis iit il- ilb ilc ili ill ilm iln ilo ils ilt im- imb imc imi iml imm imn imo ims imt in- inb inc ini inl inm inn ino ins int io- iob ioc ioi iol iom ion ioo ios iot is- isb isc isi isl ism isn iso iss ist itb itc iti itl itm itn ito its itt lbb lbc lbi lbl lbm lbo lbs lbt lcb lcc lci lcl lcm lcn lco lcs lct lib lic lii lil lim lin lio lis lit llb llc lli lll llm lln llo lls llt lmb lmc lmi lml lmm lmn lmo lms lmt lnb lnc lni lnl lnm lnn lno lns lnt lob loc loi lol lom lon loo los lot lsb lsc lsi lsl lsm lsn lso lss lst ltb ltc lti ltl ltm lto lts ltt m-o mbb mbc mbi mbl mbm mbo mbs mbt mc- mcb mcc mci mcl mcm mcn mco mcs mct mi- mib mic mii mil mim min mio mis mit mlb mlc mli mll mlm mln mlo mls mlt mmb mmc mmi mml mmm mmn mmo mms mmt mnb mnc mni mnl mnm mnn mno mns mnt mob moc moi mol mom mon moo mos mot msb msc msi msl msm msn mso mss mst mtb mtc mti mtl mtm mtn mto mts mtt n-i nbb nbc nbi nbl nbm nbn nbo nbs nbt ncb ncc nci ncl ncm ncn nco ncs nct nib nic nii nil nim nin nio nis nit nlb nlc nli nll nlm nln nlo nls nlt nmb nmc nmi nml nmm nmn nmo nms nmt nnb nnc nni nnl nnm nnn nno nns nnt no- nob noc noi nol nom non noo nos not nsb nsc nsi nsl nsm nsn nso nss nst ntb ntc nti ntm ntn nto nts ntt o-i ob- obb obc obi obl obm obn obo obs obt oc- ocb occ oci ocl ocm ocn oco ocs oct oib oic oii oil oim oin oio ois oit olb olc oli oll olm oln olo ols olt om- omb omc omi oml omm omn omo oms omt on- onb onc oni onl onn ono ons ont oo- oob ooc ooi ool oom oon ooo oos oot os- osb osc osi osl osm osn oso oss ost ot- otb otc oti otl otm otn oto ots ott sbb sbc sbi sbl sbm sbn sbo sbs sbt scb scc sci scl scm scn sco scs sct sib sic sii sil sim sin sio sis sit slb slc sli sll slm sln slo sls slt smb smc smi sml smm smn smo sms smt snb snc sni snl snm snn sno sns snt sob soc soi sol som son soo sos sot ss- ssb ssc ssi ssl ssm ssn sso sss sst stb stc sti stl stm stn sto sts stt tbb tbc tbi tbl tbm tbn tbo tbs tbt tcb tcc tci tcl tcm tcn tco tcs tct tib tic tii til tim tin tio tis tit tlc tli tll tlm tln tlo tls tlt tmb tmc tmi tml tmm tmn tmo tms tmt tnb tnc tni tnl tnm tnn tno tns tnt to- tob toc toi tol tom ton too tos tot tsb tsc tsi tsl tsm tsn tso tss tst ttb ttc tti ttl ttm ttn tto tts ttt