-ic -ol bbb bbc bbi bbl bbn bbo bbr bbt bcb bcc bci bcl bcn bco bcr bct bi- bib bic bii bil bin bio bir bit blb blc bli bll bln blo blr blt bnb bnc bni bnl bnn bno bnr bnt bob boc boi bol bon boo bor bot brb bri brl brn bro brr brt btb btc bti btl btn bto btr btt c-- cbb cbc cbi cbl cbn cbo cbr cbt ccb ccc cci ccl ccn cco ccr cct ci- cib cic cii cil cin cio cir cit cl- clb clc cli cll cln clo clr clt cn- cnb cnc cni cnl cnn cno cnr cnt co- cob coc coi col con coo cor cot crb crc cri crl crn cro crr crt ctb ctc cti ctl ctn cto ctr ctt ibb ibc ibi ibl ibn ibo ibr ibt icb icc ici icl icn ico icr ict iib iic iii iil iin iio iir iit il- ilb ilc ili ill iln ilo ilr ilt in- inb inc ini inl inn ino inr int io- iob ioc ioi iol ion ioo ior iot ir- irb irc iri irl irn iro irr irt itb itc iti itl itn ito itt lbb lbc lbi lbl lbo lbr lbt lcb lcc lci lcl lcn lco lcr lct lib lic lii lil lin lio lir lit llb llc lli lll lln llo llr llt lnb lnc lni lnl lnn lno lnr lnt lob loc loi lol lon loo lor lot lrb lrc lri lrn lro lrr lrt ltb ltc lti ltl lto ltr ltt n-i nbb nbc nbi nbl nbn nbo nbr nbt ncb ncc nci ncl ncn nco ncr nct nib nic nii nil nin nio nir nit nlb nlc nli nll nln nlo nlr nlt nnb nnc nni nnl nnn nno nnt no- nob noc noi nol non noo nor not nrb nrc nri nrl nrn nro nrr nrt ntb ntc nti ntn nto ntr ntt o-i ob- obb obc obi obl obn obo obr obt oc- ocb occ oci ocl ocn oco ocr oct oib oic oii oil oin oio oir oit olb olc oli oll oln olo olt on- onb onc oni onl onn ono onr ont oo- oob ooc ooi ool oon ooo oor oot or- orb orc ori orl orn oro orr ort ot- otb otc oti otl otn oto otr ott rbb rbc rbi rbl rbn rbo rbr rbt rcb rcc rci rcl rcn rco rcr rct rib ric rii ril rin rio rir rit rlc rli rll rln rlo rlr rlt rnb rnc rni rnn rno rnr rnt rob roc roi rol ron roo ror rot rrb rrc rri rrl rrn rrr rrt rtb rtc rti rtl rtn rto rtr rtt tbb tbc tbi tbl tbn tbo tbr tbt tcb tcc tci tcl tcn tco tcr tct tib tic tii til tin tio tir tit tlc tli tll tln tlo tlr tlt tnb tnc tni tnl tnn tno tnr tnt to- tob toc toi tol ton too tor tot trb trc tri trl trn tro trr trt ttb ttc tti ttl ttn tto ttr ttt