-al -ic a-a a-b a-c a-i aaa aab aac aai aal aar ab- aba abb abc abi abl abr ac- aca acb acc aci acl acr ai- aia aib aic aii ail air al- ala alb alc ali all alr ar- ara arb arc ari arl arr baa bab bac bai bal bar bba bbb bbc bbi bbl bbr bca bcb bcc bci bcl bcr bi- bia bib bic bii bil bir bla blb blc bli bll blr bra brb bri brl brr c-- caa cab cac cai cal car cba cbb cbc cbi cbl cbr cca ccb ccc cci ccl ccr ci- cia cib cic cii cil cir cl- cla clb clc cli cll clr cra crb crc cri crl crr ia- iaa iab iac iai ial iar iba ibb ibc ibi ibl ibr ica icb icc ici icl icr iia iib iic iii iil iir il- ila ilb ilc ili ill ilr ir- ira irb irc iri irl irr la- laa lab lac lai lal lar lba lbb lbc lbi lbl lbr lca lcb lcc lci lcl lcr lia lib lic lii lil lir lla llb llc lli lll llr lra lrb lrc lri lrr ra- raa rab rac rai ral rar rba rbb rbc rbi rbl rbr rca rcb rcc rci rcl rcr ria rib ric rii ril rir rla rlc rli rll rlr rra rrb rrc rri rrl rrr