-er -ic -ji b-p bbb bbc bbe bbi bbo bbp bbr bcb bcc bce bci bcj bco bcp bcr bcv be- beb bec bee bei beo bep ber bev bi- bib bic bie bii bij bio bip bir biv bjc bji bjj bjp bjr bob boc boe boi boj boo bop bor bov bpb bpc bpe bpi bpo bpp bpr bpv brb bre bri brj bro brp brr brv bvb bvc bve bvi bvo bvp bvr bvv c-- c-j cbb cbc cbe cbi cbj cbo cbp cbr cbv ccb ccc cce cci ccj cco ccp ccr ccv ce- ceb cec cee cei cej ceo cep cer cev ci- cib cic cie cii cij cio cip cir civ cjb cjc cjp cjr co- cob coc coe coi coj coo cop cor cov cpb cpc cpe cpi cpj cpo cpp cpr cpv crb crc cre cri crj cro crp crr crv cvb cvc cve cvi cvo cvp cvr cvv ebb ebc ebe ebi ebj ebo ebp ebr ebv ec- ecb ecc ece eci ecj eco ecr ecv eeb eec eee eeo eep eer eev eib eic eie eii eij eio eip eir eiv ejc eji ejo ejp eo- eob eoc eoe eoi eoo eop eor ep- epb epc epe epi epo epp epr erb erc ere eri ero erp err erv evb evc eve evi evo evp evr evv i-v ibb ibc ibe ibi ibj ibo ibp ibr ibv icb icc ice ici icj ico icp icr icv ie- iec iee iei iej iep ier iev iib iic iie iii iij iio iip iir ijb ijc ije iji ijo ijv io- iob ioc ioe ioi ioj ioo iop ior iov ipb ipc ipe ipi ipo ipp ipr ipv ir- irb irc ire iri irj iro irp irr irv ivb ivc ive ivi ivo ivp ivr ivv j-i jbc jbi jbj jbo jbr jcb jcc jce jci jco jcp jcr jeb jec jee jei jej jeo jep jer jib jic jie jii jij jio jip jir jiv jjb jjc jjj jjp jjr job joc joe joi joj joo jop jor jpb jpc jpe jpi jpj jpo jpp jpr jrb jrc jri jro jrp jrr jvb jvc jvi jvp o-i ob- obb obc obe obi obj obo obp obr obv oc- ocb occ oci ocj oco ocp ocr ocv oeb oec oee oei oeo oep oer oib oic oie oii oio oip oir oiv ojb ojc oje oji ojo oo- oob ooc ooi ooo oop oor oov op- opb opc ope opi opj opo opp opr opv or- orb orc ore ori oro orp orr orv ov- ovb ovc ove ovi ovo ovp ovv p-p pbb pbc pbe pbi pbj pbo pbp pbr pcb pcc pce pci pcj pco pcp pcr pcv peb pec pee pei peo pep per pev pib pic pie pii pij pio pip pir piv pjc pji pjo pjp pob poc poe poi poo pop por pov ppb ppc ppe ppi ppj ppo ppp ppr ppv prb prc pre pri pro prp prr prv pvb pvc pve pvi pvo pvp pvr pvv rbb rbc rbe rbi rbo rbp rbr rcb rcc rce rci rcj rco rcp rcr rcv re- reb rec ree rei reo rep rer rev rib ric rie rii rio rip rir riv rjc rjp rjr rob roc roe roi roj roo rop ror rov rpb rpc rpe rpi rpo rpp rpr rpv rrb rrc rri rrp rrr rvb rvc rve rvi rvo rvp rvr rvv v-e vbc vbi vbo vbr vbv vcc vce vci vco vcp vcr veb vec vee vei veo vep ver vi- vib vic vie vii vij vio vip vir viv vob voc voe voi voo vop vor vov vpb vpc vpe vpi vpo vpp vpr vrb vrc vre vri vrp vrr vvb vvc vvi vvo vvr vvv