-er -ic c-- ccc ccd cce cch cci cco ccr ccs ccu cdc cdd cde cdh cdi cdo cdr cds cdu ce- cec ced cee ceh cei ceo cer ces ceu ch- chc chd che chh chi cho chr chs chu ci- cic cid cie cih cii cio cir cis ciu co- coc cod coe coh coi coo cor cos cou crc crd cre crh cri cro crr crs cru csc csd cse csh csi cso csr css csu cuc cud cue cuh cui cuo cur cus cuu dcc dcd dce dci dco dcr dcs dcu ddc ddd dde ddh ddi ddo ddr dds ddu de- dec ded dee deh dei deo der des deu dh- dhc dhd dhe dhh dhi dho dhr dhs dhu di- dic did die dih dii dio dir dis diu doc dod doe doh doi doo dor dos dou drc drd dre dri dro drr drs dru dsc dsd dse dsh dsi dso dsr dss dsu duc dud due duh dui duo dur dus ec- ecc ecd ece ech eci eco ecr ecs ecu ed- edc edd ede edh edi edo edr eds edu eec eed eee eeo eer ees ehc ehd ehe ehh ehi eho ehr ehs ehu eic eid eie eii eio eir eis eiu eo- eoc eod eoe eoh eoi eoo eor eos eou erc erd ere erh eri ero err ers eru es- esc esd ese esh esi eso esr ess esu eu- euc eud eue eui eur eus h-i hcc hcd hce hch hci hco hcr hcs hdc hdd hde hdh hdi hdo hdr hds hdu he- hec hed hee heh hei heo her hes heu hhc hhd hhe hhh hhi hho hhr hhs hhu hic hid hie hih hii hio hir his hiu hoc hod hoe hoh hoi hoo hor hos hou hr- hrc hrd hre hrh hri hro hrr hrs hru hsc hsd hse hsh hsi hsr hss hsu huc hud hue huh hui huo hur hus huu i-d icc icd ice ich ici ico icr ics icu idc idd ide idh idi ido idr ids idu ie- iec ied iee iei ier ies ihc ihd ihe ihh ihi iho ihr ihs ihu iic iid iie iih iii iio iir iis iiu io- ioc iod ioe ioh ioi ioo ior ios iou ir- irc ird ire iri iro irr irs iru is- isc isd ise ish isi iso isr iss isu iu- iuc iud iue iui iur ius o-i oc- occ ocd och oci oco ocr ocs ocu odc odd ode odh odi odo odr ods odu oec oed oee oeh oei oeo oer oes ohc ohd ohe ohh ohi oho ohr ohs ohu oic oid oie oii oio oir ois oiu oo- ooc ood ooh ooi ooo oor oos or- orc ord ore orh ori oro orr ors oru os- osc osd ose osh osi oso osr oss osu ou- ouc oud oue ouh oui ouo our ous rcc rcd rce rch rci rco rcr rcs rcu rdc rdd rde rdh rdi rdo rdr rds rdu re- rec red ree reh rei reo rer res reu rh- rhc rhd rhe rhh rhi rho rhr rhs rhu ric rid rie rih rii rio rir ris roc rod roe roh roi roo ror ros rou rrc rrd rrh rri rrr rrs rru rsc rsd rse rsh rsi rso rsr rss rsu ruc rud rue ruh rui ruo rur rus ruu scc scd sce sch sci sco scr scs scu sdc sdd sde sdh sdi sdo sdr sds sdu se- sec sed see seh sei seo ser ses seu sh- shc shd she shh shi sho shr shs shu sic sid sie sih sii sio sir sis siu soc sod soe soh soi soo sor sos sou sr- src srd sre srh sri sro srr srs ss- ssc ssd sse ssh ssi sso ssr sss ssu suc sud sue suh sui suo sur sus suu ucc ucd uce uch uci uco ucr ucs ucu udc udd ude udi udo udr uds udu uec ued uee ueh uei uer ues uhc uhd uhe uhh uhi uho uhr uhs uhu uic uid uie uii uio uir uis uiu uoc uod uoe uoo uor uos ur- urc urd ure uri uro urr urs uru usc usd use ush usi uso usr uss usu uuc uue uur uus uuu