c-cd cccc ccci ccdc ccdh ccdi ccdr cchr cchy ccic ccid ccii ccir ccrc ccri cd-r cddr cdic cdii chch chci chdi chic chid chih chir chrc chrd chrr chy- chyc cicc cich cici cicr cidc cidi cidr cihr ciid ciii circ cirh ciri cirr crcc crcr crdc cric cry- cyc- cycc cyy- cyyc dc-y dccc dcci dcii dddd ddrc ddry dich dici dicy didi didy diii dird dirr diyi dric drih dry- dycd dych dydd dyhh dyhr dyr- dyrc dyri dyyr h-ii hccc hcch hcdr hchi hcrd hdci hdri hdyd hhhh hi-c hicc hich hidi hidy hihc hihi hird hiri hrdc hrid hrrc hydd hydr hyrd iccc icci iccr icdc icdd ichc ichd ichi ichr ichy icrc icrr icry idcr idic idid idir idrc ihcc ihdr ihrc ihrd iicd iiii iirc ircc ircd irdc iri- iric irid iriy irrc irri rccc rcdc rcic rcid rcrd rcyc rhyd ricc rich ridc ridd ridi riri rrrr rych rydy yccc ycch yhid yhyd yidi yird yirr yyyy