-ic b-u bbb bbc bbe bbi bbo bbq bbs bbu bcb bcc bce bci bco bcq bcs bcu be- beb bec bee bei beo beq bes beu bi- bib bic bie bii bio bis biu bob boc boe boi boo boq bos bou bqc bqe bsb bsc bse bsi bso bss bsu bub buc bue bui buo bus buu c-- cbb cbc cbe cbi cbo cbq cbs cbu ccb ccc cce cci cco ccs ccu ce- ceb cec cee cei ceo ceq ces ceu ci- cib cic cie cii cio ciq cis ciu co- cob coc coe coi coo coq cos cou cqb cqc cqi cqo cqs csb csc cse csi cso csq css csu cub cuc cue cui cuo cuq cus cuu ebb ebc ebe ebi ebo ebq ebs ebu ec- ecb ecc ece eci eco ecq ecs ecu eeb eec eee eeo ees eib eic eie eii eio eis eiu eo- eob eoc eoe eoi eoo eoq eos eou eqe eqq eqs equ es- esb esc ese esi eso esq ess esu eu- eub euc eue eui eus ibb ibc ibe ibi ibo ibs ibu icb icc ice ici ico icq ics icu ie- iec iee iei ies iib iic iie iii iio iis iiu io- iob ioc ioe ioi ioo ios iou iqc iqe iqs iqu is- isb isc ise isi iso isq iss isu iu- iub iuc iue iui ius o-i ob- obb obc obe obi obo obs obu oc- ocb occ oci oco ocs ocu oeb oec oee oei oeo oes oib oic oie oii oio ois oiu oo- oob ooc ooi ooo oos oqb oqo os- osb osc ose osi oso osq oss osu ou- ouc oue oui ouo ous qbc qbe qbq qbs qcc qci qco qcs qec qee qeo qic qie qio qis qiu qoi qoo qos qqq qqu qsc qsi qso qu- que qui quo qus sbb sbc sbe sbi sbo sbq sbs sbu scb scc sce sci sco scs scu se- seb sec see sei seo seq ses seu sib sic sie sii sio siq sis siu sob soc soe soi soo soq sos sou sqi sqq sqs ss- ssb ssc sse ssi sso ssq sss ssu sub suc sue sui suo suq sus suu ubb ubc ube ubi ubo ubs ubu ucb ucc uce uci uco ucs ucu ueb uec uee uei ues uib uic uie uii uio uiq uis uiu uob uoc uoe uoo uos usb usc use usi uso uss usu uuc uue uus uuu