a-a aaa aad aam aan aap aas ad- ada add adm adn adp ads ama amd amm amn amp ams an- ana and anm ann anp ans ap- apa apd apm apn app aps as- asa asd asm asn asp ass daa dad dam dan dap das dda ddd ddm ddn ddp dds dma dmd dmm dmn dmp dms dna dnd dnm dnn dnp dns dpa dpd dpm dpn dpp dps dsa dsd dsm dsn dsp dss maa mad mam man map mas mda mdd mdm mdn mdp mds mma mmd mmm mmn mmp mms mna mnm mnn mnp mns mpa mpd mpm mpn mpp mps msa msd msm msn msp mss naa nad nam nan nap nas nda ndd ndm ndn ndp nds nma nmd nmm nmn nmp nms nna nnm nnn nnp nns npa npd npm npn npp nps nsa nsd nsm nsn nsp nss p-p paa pad pam pan pap pas pda pdd pdm pdn pdp pds pma pmd pmm pmn pmp pms pn- pna pnd pnm pnn pnp pns ppa ppd ppm ppn ppp pps ps- psa psd psm psn psp pss saa sad sam san sap sas sda sdd sdm sdn sdp sds sma smd smm smn smp sms sna snd snm snn snp sns spa spd spm spn spp sps ss- ssa ssd ssm ssn ssp sss