-er c-- ccc ccd cce cch cco ccr ccs ccu cdc cdd cde cdh cdo cdq cdr cds cdu ce- cec ced cee ceh ceo ceq cer ces ceu ch- chc chd che chh cho chq chr chs chu co- coc cod coe coh coo coq cor cos cou cqc cqd cqo cqs crc crd cre crh cro crq crr crs cru csc csd cse csh cso csq csr css csu cuc cud cue cuh cuo cuq cur cus cuu dcc dcd dce dco dcr dcs dcu ddc ddd dde ddh ddo ddq ddr dds ddu de- dec ded dee deh deo deq der des deu dh- dhc dhd dhe dhh dho dhr dhs dhu doc dod doe doh doo doq dor dos dou dqe dqs drc drd dre dro drq drr drs dru dsc dsd dse dsh dso dsq dsr dss dsu duc dud due duh duo dur dus ec- ecc ecd ece ech eco ecq ecr ecs ecu ed- edc edd ede edh edo edr eds edu eec eed eee eeo eer ees ehc ehd ehe ehh eho ehr ehs ehu eo- eoc eod eoe eoh eoo eoq eor eos eou eqe eqq eqs equ erc erd ere erh ero erq err ers eru es- esc esd ese esh eso esq esr ess esu eu- euc eud eue eur eus hcc hcd hce hch hco hcr hcs hdc hdd hde hdh hdo hdr hds hdu he- hec hed hee heh heo her hes heu hhc hhd hhe hhh hho hhr hhs hhu hoc hod hoe hoh hoo hor hos hou hqs hr- hrc hrd hre hrh hro hrr hrs hru hsc hsd hse hsh hsq hsr hss hsu huc hud hue huh huo huq hur hus huu oc- occ ocd och oco ocr ocs ocu odc odd ode odh odo odr ods odu oec oed oee oeh oeo oer oes ohc ohd ohe ohh oho ohq ohr ohs ohu oo- ooc ood ooh ooo oor oos oqo or- orc ord ore orh oro orr ors oru os- osc osd ose osh oso osq osr oss osu ou- ouc oud oue ouh ouo our ous qcc qcd qco qcs qdr qds qec qed qee qeh qeo qhc qhs qoo qor qos qqq qqu qrc qre qrh qrs qru qsc qsd qso qsr qu- qud que quh quo qur qus rcc rcd rce rch rco rcr rcs rcu rdc rdd rde rdh rdo rdr rds rdu re- rec red ree reh reo req rer res reu rh- rhc rhd rhe rhh rho rhr rhs rhu roc rod roe roh roo ror ros rou rqc rqs rrc rrd rrh rrq rrr rrs rru rsc rsd rse rsh rso rsq rsr rss rsu ruc rud rue ruh ruo rur rus ruu scc scd sce sch sco scr scs scu sdc sdd sde sdh sdo sdq sdr sds sdu se- sec sed see seh seo seq ser ses seu sh- shc shd she shh sho shr shs shu soc sod soe soh soo soq sor sos sou sqd sqq sqr sqs sr- src srd sre srh sro srq srr srs ss- ssc ssd sse ssh sso ssq ssr sss ssu suc sud sue suh suo suq sur sus suu ucc ucd uce uch uco ucr ucs ucu udc udd ude udo udr uds udu uec ued uee ueh uer ues uhc uhd uhe uhh uho uhq uhr uhs uhu uoc uod uoe uoo uor uos ur- urc urd ure uro urr urs uru usc usd use ush uso usr uss usu uuc uue uur uus uuu